Features 1、Eco-friendly heat shrinkable tube does not produce toxic and harmful substances. 2、These heat shrink tubes are made of high quality 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 670pcs 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: Eco-friendly heat shrinkable tube does not produce toxic and harmful substances. These heat shrink tubes are made of high quality 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 670pcs 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 Quantity*diameter*length*color: 60pcs 1.0mm 38mm red 60pcs 1.5mm 38mm black 50pcs 2.0mm 38mm yellow 50pcs 2.0mm 38mm black 50pcs 2.5mm 38mm red 50pcs 2.5mm 38mm blue 45pcs 3.0mm 38mm black 45pcs 3.0mm 38mm white 30pcs 3.5mm 38mm green 30pcs 3.5mm 38mm blue 40pcs 4.0mm 45mm black 40pcs 4.0mm 45mm red 30pcs 5.0mm 45mm blue 25pcs 6.0mm 45mm green 25pcs 7.0mm 45mm blue 20pcs 10.0mm 45mm black 20pcs 13.0mm 45mm white Weight: 228g / 8oz (approx.) Package list: 1 box * Heat Shrink Tubes Package List