Offers to Sell

Our company uses high-quality raw materials, coupled with advanced production technology, with more than 20 years of belt production experience, our products with high efficiency, low elongation, flexible and high fatigue resistance, good antistatic property, the friction coefficient of stability. As a professional rubber belt factory in China, Dehai Youli provides different types of high-performance transmission machine flat belts, all abrasion resistant, with great flexibility and long service life. Different Types Of Flat Drive Rubber Belts For Sale Dehai Youli, a reliable rubber conveyor belting supplier, has various types of industrial drive belts for sale, all with affordable prices. Our nylon flat transmission belt boasts of its unique material structure and great properties. The endless tangential machine belt is a kind of high-speed and wear-resistant belt. We also provide a special folder glue belt for cartons and cardboard, a very cost-saving product. High Performance TC Belt 1. A better drive structure for flat transmission belt solution. 2. Double-side XNBR abrasion-resistant. 3. TC belt optimizing the yarn manufacturing machines production performances. Nylon Flat Belt 1. Nylon belt manufacturers of mature manufacturing technology and formula. 2. Imported nylon base and internationally advanced equipment. 3. Bring great properties of nylon sandwich flat belt. Roller Covering 1. Complete variety for texture roller coverings and rubber-coated roller tape. 2. Available for different materials and patterns on the surface. 3. Texture and coated roller covering. Rubber Belt for Sale Folder Gluer Belt 1. Long service life and cost savings. 2. Suitable for all qualities of paper, cardboard and carton. 3. Folder gluer belt, rubber belt for sale High Efficiency Tangential Belt 1. Polyamide-based high-speed drive belt. 2. Use high strength nylon core and high wear-resistant synthetic rubber 3. Mature joint technology for precision machine tools and high-speed transmission machinery. Spindle Tape 1. 2-3 month service life longer than ordinary brands. 2. Spindle belt does not stretch and falls off during the movement. 3. Flat and smooth joint of our spindle tapes is more suitable for the spindle. Flat Drive Belt Material by Dehai Youli Leather was one of the original materials used to make different types of flat belts. Today, nylon and other tough synthetic materials are commonly used because they last longer. Rubber, metal and other materials may be involved in the construction of industrial flat belt, some of which will be reinforced with a particularly strong material to address structural integrity issues.  Main testing materials: chemical raw materials, nylon sheet base, industrial belt cloth and rough leather cloth, nylon sheet base belt.  Main testing items: rheological properties, peeling force, mechanical properties, flatness, thickness, moisture content, the appearance of the cloth.  Test data collection: collated and compiled daily test data feedback, weekly test status statistics and monthly test trend status, so as to receive qualified raw materials for production and provide powerful data support for procurement, and facilitate the search of stable and qualified suppliers. In addition flat machine belt is a belt with a flat surface and uniform texture on both sides, used in pulley systems. Historically, endless rubber flat belt were often used to transfer power from a flywheel to other parts of a machine, while today, they are often seen as part of a conveyor belt or belt array, with a flat surface that makes it easy to move the top of the transmission belt. In the construction of a conveyer belt for machinery, a flat belt can be used as a wide belt on an assembly line, or as a part of a series of belts. As the industrial timing belts is turned by the pulley, anything placed on the belt is pulled and moved to a new position, greatly improving production efficiency. Advantages of Flat Belts With characteristics of structure-simple, less cost, flexibility and durability, flat belt by Dehai Youli, a reliable flat transmission belts supplier, operates most efficiently in situations where drive speed is above 3000 fpm and where long-distance, continuous, smooth-running applications are required. Compared with V-belts, a significant advantage of flat rubber belts is that efficiency nearly reaches 99% and is about 2.5-3% better than V-belts. The reason why a flat lathe belt has features of good efficiency is that lower bending losses from a thin cross-section, lower creep from friction covers and higher modulus of elasticity traction layers, and no wedging action into pulleys. In the meantime, flat machine belts can be applied in many industries such as textile, wooding, packaging, printing, Tabacco, construction, electronics, etc with longer service life and requiring less repair and maintenance. Competitive rubber flat belt prices directly from flat belt manufacturers . Flat Belts Applications With the full sizes of the transmission flat belt, Dehai Youli, a professional rubber belt manufacturer, focuses on developing more efficiency and energy savings and customized product and industries for our customers. Dehai Belt, especially TC belt, PA belt type, nylon flat bel, tangential motor belt, spindle belt, also roller covering are widely used in the process of textile industry like ring spinning, rotor spinning, two-for-one twister, looms, etc. TC belt, with its low elongation, flexible fatigue resistance, and good antistatic property, and friction coefficient of stability is popular in rotating speed machines. High efficient tangential machinery belt is well-applied in rotor spinning, stretch yarn machine, wrap yarn and carding machine, etc. 6mm industrial folder gluer belt, 1.5mm-2.0mm nylon flat belt and groove& corrugated poly belt is normally used in print& package industry. For the woodworking, normally 1.5mm, 2.0mm, 3.0mm sizes are typical types with stable performance. Flat Drive Belts for Sale Difference Between Flat Belt Drive and V-belt drive There are many differences between a flat drive belt & a V-belt. The main difference is that the accessories required for transmission and the belt are different, technically speaking, the transmission principle and structural characteristics are different. The flat belt transmission is generally driven with the drum; V-belt drive needs to be matched with wheels, which have no teeth; Flat Rubber Belts Sizes For different types of belts and different applications, we can offer various different dimensions for flat rubber belts, thickness from 0.55mm to 6mm is available, width & length is provided according to customer’s specific demand. And our belt roll material (semi-product ) is about 200M/Roll. For example, for the TC belt, the normal thickness we offer: 1.5mm, 2.0mm, 2.5mm, 2.7mm, 3.0mm; For nylon belt, the normal thickness we offer: 1.0-5.0mm Dehai Youli is a professional silicone rubber products manufacturer, we provide eva film glass, eva interlayer film for laminated glass, eva film for laminated glass and etc. Want to know more? Please contact us.

Minimum Order: 1 bags

Mainly used in outdoor building hight transparent EVA film, decoration glass, civil projects, EVA solar film, enhanced film, sliding door film, photo film, special adhesive film for crystal photo album, special film for corner protection, safety coffee table laminated film, adhesive color film, PET back film, adhesive Divi film, adhesive and another transparent film, etc. As one of solar EVA film manufacturers , we supply ethylene-vinyl acetate film for customers, which is mainly used in outdoor building high transparent eva films for glass, civil projects, EVA solar film, enhanced film, sliding door film, photo film, special adhesive film for crystal photo album, special film for corner protection, EVA film for solar pane, safety coffee table laminated film, adhesive color film, PET back film, adhesive Divi film, adhesive and another transparent film, etc. What Is EVA Flim? EVA is the abbreviation for ethylene-vinyl acetate co-polymer (ethylene-vinyl acetate co-polymer). It also has good bonding properties with many materials and is widely used to formulate various hot melt adhesives and other types of adhesives. The principle of EVA film plastic is to pre-empt the air between the two sheets by a vacuum pump to form a vacuum state in the silicone bag and then enter the furnace at a high temperature to make the EVA film reach a molten state, and bond the two pieces of glass together. Its characteristic is bonding. The power is better and the light transmittance is better. EVA film solar is characterized by a relatively low investment cost, and the equipment can be applied to many industries. It is mainly used in architecture, such as inter-layers of curtain walls, daylight roofs, and canopies. EVA Film For Glass Lamination Dry laminated glass is to sandwich a layer of Eva glue between two pieces of glass. Even if the eva film glass is broken, the fragments will be glued to the film, and the surface of the broken glass remains clean and smooth. This feature effectively prevents the occurrence of debris piercing and penetrating fall incidents, and ensures personal safety. Strong anti-penetration ability. As one of eva film manufacturer , we provide high-quality solar encapsulant film for customers to meet the high requirement in glass lamination at competitive eva film price. EVA film solar is very important to the safety and quality of glass lamination, which not only provides high-cost performance but also prevents the occurrence of potential accidents. Ethylene Vinyl Acetate Film Properties Good quality: High bonding strength: bonding strength ≧100N/CM, and solar encapsulant film will remain unchanged for a long time. High definition: high light transmittance ≧91%, low haze ≦0.2%. Excellent UV blocking performance: 190nm~360nm UV blocking rate is greater than 95%. No glue flow: The vacuum bag does not need to be glued, and the edge of the eva film glass is easy to clean. Excellent weather resistance: anti-yellowing, and maintaining extremely high light transmittance and clarity for a long time. Authoritative certification: Our EVA film material has passed the inspection of the National Safety Glass and Quartz Glass Quality Supervision and Inspection Center, and fully complies with the national safety glass standard GB15763.3- 2009. Wide range of applications: The EVA film solar is often used in outdoor architectural laminated eva film glass, curtain wall eva film glass and curved laminated eva film glass, such as office building eva film glass curtain walls, balcony guardrails, sunrooms, shower rooms, rain sheds and other outdoor buildings. Dehai Youli is a professional silicone rubber products manufacturer, we provide eva film glass, eva interlayer film for laminated glass, eva film for laminated glass and etc. Want to know eva film uses or eva interlayers advantages? Please contact us.

Minimum Order: 1 bags

30lpm Light Weight Hydraulic Power Unit With Honda Engine Product descripition: 30lpm Light Weight Hydraulic Power Unit With Honda Engine Product features: Imported Honda engine, through special design and strict reliability test, to ensure the stability of the whole machine performance. After continuous upgrades, the product has more stable performance and lighter weight to 70kg. The latest shock absorption design cuts off the high frequency vibration of the gasoline engine at the source, greatly reducing the risk of tank and frame cracking. Commonly used with hydraulic pick, hydraulic saw, chain saw to concrete demoltion. Performance technology parameter configuration Model ZD13-30 Gasoline engine Honda GX390 Diesel engine Optional Maximum presure of the hydraulic system/Mpa 16 Hydraulic folw/Lpm 1×30 Dimension/mm 680×560×710 Bare machine weight(kg)73 73kg Hydraulic tank capacity(L) 14 Fuel tank volume(L) 6.5 Real-time monitoring system / Starting mode Manual starting Hydraulic circuit and Controller mode Single circuit/manual starting

BMK Glycidic Acid (sodium salt) / BMK Glycidic / Glycidic Acid powder CAS 5449-12-7 For more details about our products and how to place contacts below: * wickr me：janemoker * Telegram: @janemoker * email:garrywdeonharvislas@gmail.com Product NameBMK Glycidic Acid (sodium salt) / BMK Glycidic / Glycidic Acid powder CAS 5449-12-7 CAS NO.5449-12-7 AppearanceWhite powder Purity99% MFC10H9NaO3 EINECS NO.226-500-0 ApplicationChemical intermediates Chemical Structure BMK Glycidic / BMK Glycidic Acid (sodium salt) / Glycidic Acid Powder CAS 5449-12-7 UsageBMK Glycidic Acid (sodium salt) / BMK Glycidic / Glycidic Acid powder CAS 5449-12-7 is a kind of Chemical intermediates. StorageCool Dry Place Payment and delivery Payment Terms:Western Union, MoneyGram, T/T, Bank Transfer;Bitcoin Delivery time:1-3 working days after confirming the payment DeliveryDoor to Door,safety gurantee 4 big express: DHL, TNT, FedEx, UPS, Post: HKEMS, , etc. Bulk qty for special line, All guarantee safety. Packaging Details:If customer no special request, normally and safe pack. Supply Ability:Bulk qty in stock Tags: bmk, bmk oil, bmk powder, bmk precursor, BMK Oil For Sales Online, Buy Benzyl Methyl Ketone Oil Online Without Preion, Buy BMK Oil in NL, Buy BMK Oil in Belgium, Buy BMK Oil in Canada, Buy BMK Oil in France, Buy BMK Oil in Germany, Buy BMK Oil in Poland, Buy BMK Oil in UK, Buy BMK Oil in USA, Buy BMK Oil Online Without Preion, bmk oil chemical, bmk oil bulk, CAS 20320-59-6 , CAS 28578-16-7 , pmk oil, pmk glycidate powder, pmk glycidate manufacturers, pmk Tag:BMK Cas 5413-05-8, Bmk BMK Glycidate , Sell 16648-44-5 Bmk Glycidate, Bmk Powder, New Bmk 5413-05-8, New Bmk Glycidate, Bmk Powder Cas 16648-44-5, BMK Oil, Phenylacetone, PMK Oil, bmk glycidate CAS 16648-44-5,Ethyl 2-phenylacetoacetate CAS 5413-05-8,PMK glycidate CAS 13605-48- 6,PMK oil CAS: 28578-16-7,2-Oxiranecarboxylicacid, 3-(1,3-benzodioxol-5-yl)-2-Methyl-, ethyl esterBmk oil CAS: 20320-59-6,Diethyl 2-(2-phenylacetyl)propanedioate CAS: 20320-59-6, Propanedioic acid CAS:20320-59-6,

Item No:BP-902 Description: Unique design Baked powder MOQ:12k pcs Colors:Customized Servers:OEM ODM Customized Sample lead time:7-12 days Mass production lead time:40 days after pps confirmed Normal Packing:As request Terms of payment:T/T or L/C Jinhua Sanctity Cosmetics Co.,Ltd founded in 2009,which is a professional cosmetic enterprise of developing, producing and sell. The company now has around 100 staffs and has a modern standard workshop and domestic first-class production equipment,also has a group of technical team with high education and high technical titles More than 10 categories of products like nail polish, nail polish remover, nail polish remover pads , lipstick, eye shadow, mascara, lip gloss, lip oil, etc are sold at home and abroad. Sanctity Cosmetics Co.,Ltd, always adhering to the management aim of "quality first,credit guarantee" and devoting to getting rid of the stale and bring forth the fresh.In the meantime to make women fashion, the company insist on improving the enterprise core competitive ability by product quality, setting up good social image.Company has passed the FDA, EEC76/768 ,BRC ,GMPC ISO22716,and BSCI No one can be easily succeed. After several years of ups and downs, with its own unique management and provide consumers with first-class products and the most considerate service values, Sanctity Cosmetics Co.,Ltd is becoming a shining star in the fierce competition in the cosmetics industry and creating a famous brand enterprise in Zhejiang province.

These HTPs are designed for use by adults who would otherwise continue to smoke or use nicotine products. They are not intended for use as cessation devices, nor are they to be used by youth. The best thing any adult smoker can do is to quit tobacco and nicotine altogether. However, moving to a smoke-free alternative, such as PMI’s HTPs, is a better choice for those that would otherwise continue to smoke. How does heating tobacco differ from burning tobacco? Cigarettes burn tobacco at high temperatures, producing ash, tar, and smoke that contains high levels of harmful chemicals. But PMI’s HTPs heat tobacco to significantly lower temperatures, without burning it, and therefore produce no fire, ash, or smoke. Because the tobacco is heated and not burned, the average levels of harmful chemicals are significantly reduced compared to cigarette smoke. IUOC Regular Cigarettes Heating Device Heat-not-burn products, also known as heated tobacco products, only heat tobacco. The heating process generates a flavorful nicotine-containing vapor. And since the tobacco does not burn, the levels of harmful chemicals are significantly reduced compared to cigarette smoke. Feature The size of the product is significantly smart. Reduce the stress of carrying The battery capacity is upgraded from 2300mAh to 3000mAh Equipped with an extension system that allows you to extend your smoking time according to your mood. 1 click when the last time is 10 seconds to extend the smoking time for 3 minutes Supports 5V 2A rapid charging. The new air pass construction minimizes clogging and helps clean air passes that were not possible in previous versions, preventing taste deterioration

Product Overview . Bluetooth beacon based on low power Bluetooth chip . Powered by two ER14250 batteries and can be used for up to 5 years . Broadcast UUID, Major, Minor, RSSI, battery power, Bluetooth name, Bluetooth MAC address . Beacon parameters can be set through the mobile phone APP . Broadcast distance can reach 80 meters . Using 3M glue can be easily installed and fixed . Firmware have connect type and non-connect type . With temperature and humidity sensor and acceleration sensor optional . With unique design for IP67 protection . CE, RoHS, FCC, KC compliance . With acceleration sensor Specification: Hardware Parameters Hardware parameters Antenna PCB Antenna Battery ER14250 2*1200mAh Voltage 3.6V Dimensions (D×H) 53.86*24.93mm Wireless Performance Wireless standard Bluetooth ® 4.2 Frequency range 2400MHz---2483.5MHz Data rate 1Mbps Modulation mode GFSK Modulation Encryption AES HW Encryption Transmission power Tx Power -20 to +4 dBm in 4 dB Steps Reveiving sensitivity -93dBm at 1 Mbps BLE Work mode Peripheral Other Environment Working temperature: -40℃~85℃ Storage temperature: -40℃~85℃ Working humidity: 10%~90% Non-condensing Storage humidity: 5%~90% Non-condensing

AISI 304 Stainless Steel Wire Mesh Cloth for Sieves and Filters We supply stainless steel wire mesh cloth in various sizes, will send samples for inspecting quality prior to delivery. Stainless Steel Wire Mesh for Sieving Application: Sieving & Sizing Weave: Plain weave Material: Stainless steel AISI 304 Sizes: Aperture = 45 microns, 15 meters length x 1.22 meters width Aperture = 56 microns, 20 meters length x 1.22 meters width Aperture = 80 microns, 30 meters length x 1.22 meters width Stainless Steel Wire Mesh for Vibratory Sieve Application: Vibrating screen Type: Square Stainless steel wire mesh, 304 Wire gauge: SWG20 Aperture 0.90 Diameter 0.36 Stainless Steel 304 Woven Wire Cloth Stainless Steel 304 woven wire mesh 80 mesh Stainless Steel 304 woven wire mesh with the following size: 4x4 mesh opening size x 1mm wire diamter x 1m x 30m roll length 80x80 mesh opening size x 0.12mm wire diameter x 1.22 m x 30 m roll length

Stainless Steel Printing Screen/Mesh/Fabric: Super-Thin Fabric with High Precision We provide a kind of special stainless steel wire mesh for specific use – printing screen. This is a kind of ultra-thin woven stainless steel wire fabric with uniform opening and good firmness. Tejido uses selected special stainless steel alloy materials and the most advanced weaving technology to ensure the very compact weaving structure. This woven structure helps to achieve the ultra-thin layer of the wire mesh fabric within the allowed tolerance range. Hence the precision of the wire mesh is further enhanced for high precision printing requirements. 304 Stainless Steel Printing Mesh316 Stainless Steel Printing Fabric Materials: SUS304, 304HC, 304L, 316, 316 L. Features of Stainless Steel Mesh Screen Printing: This type of printing screen offers good wear resistance, high strength and less technical extension. The fine wire diameter allows good ink performance; also the wire mesh screen has stable mechanical properties, chemical properties and accurate sizes. The shortcoming of stainless steel printing screen is its lack of flexibility and more expensive price. Also, the wire mesh cannot restore properly to its original forms after expansion. Uses: Widely used in silk printing of electronics, textiles, ceramics, glass and other industries, also used as filter media in aviation, aerospace, petrochemical, and other high-tech areas.

Stainless Steel Wire Mesh Belt, Conveyor Belt, Dryer Belt Stainless steel conveyor belts made of stainless steel wire can be popularly used in ceramics, pharmaceutical industries, food processing (baking, freezing and cooling of bread and others), metallurgy, building materials, glass treating, printing and other industries. Major structures applied for ss belts manufacture include V balanced weave, flat flex, chain drival spiral mesh, duplex mesh, looped wire and chevron. Our stainless steel balanced weave wire belt consists of a series of alternating left-hand and right-hand spirals fastened by a straight cross-rod connector. Features: The ss mesh belting offers an open construction and excellent strength for quick drainage and air circulation. This design allows for easy cleaning and provides a smooth carrying surface. Material: AISI304, 304L, 316, 316L, 430 Stainless Steel Conveyor Belt made of 316 and 316L grade stainless steel wire and rod material SS 316 grade metal conveyor belting is mainly used in food, pharmacy making industries. Popular structures include compound balanced, looped wire and balanced belting. Mesh Conveyor Belt Types: Flat-flex Wire Belting Rolls and Panels, Duplex Weave, Chain Drive Balanced Weave Mesh Plate, Balanced Weave Mesh Belt, Flat Wire Belt, Spiral Mesh Strips, Loop Wire Belts, Chevron Weave Mesh Screen, Honeycomb mesh, Diamond net or Rhombus Mesh, Special Shape Belts. Belt conveyor edges types: single loop edge, double loop edge, C-cure edges. Fixing methods of the edges include clinched or button head welded. Features: This kind of metal conveyer belt has smooth surface; Corrosion resistance; Acid, alkali, high temperature resistance. We supply following Conveyor Belt Mesh Products: Honey Comb 304 SS Dryer Belt

Stainless Steel Insect Screening for Windows and Doors Material: 302, 304, 304L, 316, 316L stainless steel wire Color: Bright. Weaving: Plain weave. Stainelss Steel Wire mesh for Window Screen Application Size of ss mesh 14 X 24 SS Wire Mesh Roll width: 5ft, 4ft, 3ft,and 2ft. Roll length 50 ft. Material SS302/304 Features and Uses: Stainless steel wire netting is used to keep out flies, wasps, bees, mosquitoes and other insects. This high grade insect screen can provide excellent light transmission and allows good air-flow. Stainless steel materials have Good stability and resistance to rust, heat, acid, alkaline and corrosion. Suitable for high temperature workshops and civil constructions.

Stainless Steel Decorative Wire Mesh - Facades and Curtains - Brass, Copper and Other Metal Materials Available Tejido offers creative fabricated Stainless Steel Wire Mesh for Architecture and Design combines functionality with high aesthetic features. Types include ring mesh curtains and drapery. Unlike traditional plain weaving types, creative weaving metal fabrics are combination of metal wire (crimped or flat wire) with metal rods. This metal fabric with decorative designs opens new perspectives to creative design and allow for fascinating architectural solutions. Due to their multiple functional and aesthetic qualities, the decorative meshes are suitable for various applications in architecture and interior design. Our decorative mesh fabrics/panels can be used as facade screen for various constructions and parking garage, playing the role of decoration, sound absorption and sun protection. Metal decorative mesh can be made in extra long panels which can be taut from grand floor to the roof. Unusual facade designs can be realized. Another major use of the decorative mesh is metal mesh curtains for hotels, rooms, showers and other spacing. Decorative mesh can be supplied in stainless steel, also brass, copper, silver, gold and other metals.

Resistance Bands with Handles Door Anchor Yoga Pull Rope Fitness Exercise Elastic Tube Band for Home Workout Fitness Workout Tools They are the perfect resistance bands for glute/leg training, toning your chest, abs, biceps, triceps and more! The hand grip strengthener set are very effective in increasing the strength, speed and flexibility of the wrist, fingers and forearms. Yoga Pull Rope Features 1. The yoga tension belt has good resilience, and it can work well with the movements in yoga training to achieve better plasticity. 2. Suitable for teenagers and women with relatively small strength, effectively stretch and exercise the muscles of the whole body, stabilize the posture and control the stretching distance, and effectively improve the physical activity ability. 3. To shape the perfect body curve, it is the best aid for practicing yoga and Pilates. 4. It can increase the fun of exercise and change the single exercise method.

304 and 316 Stainless Steel Screen Mesh for Shale Shaker Hooked Screen Stainless steel wire mesh is populary used in making of hook strip screens, framed shale shaker screen, pleated screens and various sieves manufacture. Screen Mesh for Shale Shaker Screen 304,316, stainless steel Technical Details: 40x40 mesh type 316 screen. 40X40 mesh type 304 screen Material : SS316 SS304 Mesh: 16 x 16 mesh Dia wire : 0.7 mm Width : 36" 20 Mesh SS316L screen, 1.22x15M 8 Mesh SS316L screen, 1.22x15M 80 Mesh SS316L screen, 1.22x15M Technical Specs of the Mine Sieving / Shaker Screen with Reinforced Hooks: Steel mesh opening 2.25*50mrn (50//2070mm) wire dia. l mm , with reintorced hooks in plain steel, length 2070, width 795-mm Stainless steel (304) mesh opening 2.5*50mm, (50//2575mm) wire dia. mm, with reinforced hooks in plain steel, length 2575, width 990mm Stainless steel (304) mesh opening 2.2•2.2mm, wire dia. 1.2 mm width 985mm, length 2400, rubber edge sealing 112400, with reinforced hooks in plain steel 10*20 Stainless steel (304) mesh opening 7.1*7.l mm, wire dia. 1.5 mm width 985mm, length 2400, rubber edge sealing 2400 , with reinforced hooks in plain steel 10*20 Stainless steel (304) mesh opening 3 *3mm, wire dia. 1.5 mm width 985rnrn, length 2400, rubber edge sealing2400, with reinforced hooks in plain steel 10*20mm With given requirements of spare screen mesh, we will provide technically details (fully complying) and including the following: Technical details as shown in the enquiry Prices FOB international seaport or CFR seaport Payment term Shortest delivery time Offer validity Shipping weight and packing dimensions