The 160pc Thremosleeve Heat Shrink kit includes 4" sections of assorted colors. Made from irradiated flexible polyolefin, this general purpose heat shrinkable tubing is perfect for insulating, bundling and identification uses. Mechanically tough, it will not cold flow, melt, or split when used over sharp or irregular shaped objects. Kit inludes the following (qty)/sizes: (60)1/16â?, (35)3/32â?, (25)1/18â?, (20)3/16â?, (10)1/4â?, (10)3/8" in the following colors: Black, Blue, Clear, Green, Red, White, Yellow.