Specification Amperage : 20 amps Brand : SKYPRO BulletPoint1 : 【Size】- 30mm x 72mm(1.18inch x 2.83inch),the diameter is 18.5mm(0.72inch) BulletPoint2 : 【Material】- The heat shrink tubing is made of high quality PVC, the size is precutted for 18650 batteries. It shinks fast, easy to use. BulletPoint3 : 【Shrinkable Temperature & Shrinking Rate】- The shrinkable temperature of battery shrink film is 80℃,shrinking rate ≥48±5%. BulletPoint4 : 【Advantage】- Good insulation,corrosion resistance,tear resistance and wear resistance it have waterproof function. BulletPoint5 : 【Warm Note】- Please place this product in a cool place to avoid deformation due to high temperature. BulletPoint6 : 10/3 Extra Heavy-Duty 20-Amp Premium SJTW Contractor Extension Cord with Lighted T-Blade Plug 100 Foot All Copper Wire Extension Cord; 20 Amps; 125 Volts; 2500 Wa BulletPoint7 : NEMA 5-20 Extension Cord 5-20P to 5-20R (T Blade Female Also for 5-15R Adapter) 125V, 20A Color : Gray 100pcs ConnectorGender : Male-to-Male ConnectorType : North American electrical outlet CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 0752253823065 ExternallyAssignedProductIdentifier2 : 752253823065 ExternallyAssignedProductIdentifier3 : 00883943005857 ExternallyAssignedProductIdentifier4 : 0090529617513 ExternallyAssignedProductIdentifier5 : 0756655945813 ExternallyAssignedProductIdentifier6 : 0735090602178 ExternallyAssignedProductIdentifier7 : 7337331953716 ExternallyAssignedProductIdentifier8 : 00090529617513 GpsrSafetyAttestation : 1 HasExtensionCord : 1 InputCurrent : 3 amps IsUlListed : 1 ItemDisplayDimensions_Height : 2.5 inches ItemDisplayDimensions_Length : 11 inches ItemDisplayDimensions_Width : 6 inches ItemLength : 70.87 inches ItemName : 100 Pcs 18.5mm Dia Flat PVC Heat Shrink Tubing Battery Wrap,for 18650 Battery Shrink Film(Gray) ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : heat-shrink-tubing Manufacturer : B396@SD Material : pe+eva Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelNumber : A7O31ZFZ26T4HG28111Z4 NumberOfItems : 1 PackageLevel : unit PartNumber : B396@SD Pattern : Power Strip PowerCordProngCount : 3 ProductDescription : Brand new and high quality Shrinking temperature: 80 Deg.C Shrinkage ratio: 48%, 2 to 1 Flat diameter: 30MM (before shrinkage) Round diameter: approx. 18.5MM Length: 72MM Wall thickness: 0.08MM (before shrinkage) Quantity: selectable Color: selectable Package Contents: 25* 18650 /100* 18650 Battery Wrap PVC Heat Shrink Tubing 1Pcs 5 AA Battery Holder 1Box Mix-color 18650 Battery Wrap PVC Heat Shrink Tubing Package Included: According to your choose.(Batteries are not included in each package) Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. If you have any questions about this product, please feel free to contact us. We will reply to you as soon as possible. Thank you very much for your support. Happy shopping!