Features Material: Made from , materials, ensuring safety for both you and the environment without harmful substances High-Quality PE Construction: Crafted from premium PE, these tubes are flame retardant and shrink quickly, providing reliable protection for your wires Color-Coded for Easy Identification: Featuring a variety of colors, these heat shrink tubes make wire identification simple and effective, enhancing organization Features: 1、 heat shrinkable tube does not produce and harmful substances. 2、These heat shrink tubes are made of PE which is flame retardant, soft and shrink fast. 3、Different colors of heat shrink tubes are great for wire identification, concise and clear. 4、There are total 560pcs heat shrink tubes can meet you basic daily needs. 5、 It is widely used in wire connection, great for garages, auto electricians, mechanics, workshops etc. Specification: Features: heat shrinkable tube does not produce and harmful substances. These heat shrink tubes are made of PE which is flame retardant, soft and shrink fast. Different colors of heat shrink tubes are great for wire identification, concise and clear. There are total 560pcs heat shrink tubes can meet you basic daily needs. It is widely used in wire connection, great for garages, auto electricians, mechanics, workshops etc. Specification: Material: PE Temperature resistance: 120℃ Voltage resistance: 660v(KV) Quantity*diameter*length*color: 13*45mm 20pcs black 10*45mm 25pcs black 7*45mm 25pcs red 6*45mm 30pcs blue 5*45mm 30pcs blue 4*45mm 50pcs red 4*45mm 50pcs black 3.5*45mm 50pcs green 2.5*45mm 50pcs blue 2*45mm 70pcs yellow 1.5*45mm 70pcs red 1*45mm 90pcs black Weight: 215g / 7.6oz (approx.) Package list: 1 box * Heat Shrink Tubes Package List