Features 1、Polyolefin Material: The heat shrinkable tube is made of premium polyolefin material, which has outstanding flame retardant performance. 2、Scope of Application: The heat shrinkable tube is suitable for repair of cables, electrical insulation, wire bundles. 3、2:1 Shrinkage Ratio: The heat shrinkable tube is soft and flexible, possesses premium tightness, 2:1 shrinkage ratio, fast shrinkage, low shrinkage temperature, acid and alkali resistance, anti aging. 4、Easy to Use: This heat shrinkable tube is easy to use that there is no need for you to take any instrument. 5、850Pcs: There are 850 pieces of tubes well assorted and packed in the storage box to meet your needs, easy carrying and suitable for long term use. Specification Item Type: Heat Shrinkable Tube Material: Plastic Color: Black, Yellow, Blue, Green, Red Uses: Suitable for Repairing Cables, Electrical Insulation and Wire Bundling Package List 200 x 1.0 x 45mm Black 150 x 1.5 x 45mm Red 100 x 2.0 x 45mm Yellow 80 x 2.5 x 45mm Green 60 x 3.0 x 45mm Black 50 x 3.5 x 45mm Blue 50 x 4.0 x 45mm Red 40 x 5.0 x 45mm Blue 30 x 6.0 x 45mm Blue 30 x 7.0 x 45mm Red 30 x 10.0 x 45mm Blue 30 x 13.0 x 45mm Blue 1 x Storage Box