Feature: 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 Black150 x 1.5 x 45mm Red100 x 2.0 x 45mm Yellow80 x 2.5 x 45mm Green60 x 3.0 x 45mm Black50 x 3.5 x 45mm Blue50 x 4.0 x 45mm Red40 x 5.0 x 45mm Blue30 x 6.0 x 45mm Blue30 x 7.0 x 45mm Red30 x 10.0 x 45mm Blue30 x 13.0 x 45mm Blue1 x Storage Box