The 3M 7000099140 is a heat shrinkable sleeve with a glueless, thin walled design and a 3:1 shrink ratio. It is 24mm in diameter and 5 meters in length, and it is black in color. The sleeve is rated to work in extreme temperatures, providing protection from moisture, insulation and strain relief. It is ideal for electrical harnesses, breakouts, or bundling of cables with a minimal profile.