XHF UL Listed 1/2 Inch 10Ft 31 Waterproof Heat Shrink Tubing Roll Marine Grade
Anti-aging, tough, not easy to break. About XHF [Easy and fast] You only need to heat it evenly with a hot air blower or a candle to make it shrink. It is a 3:1 heat shrink ratio and will shrink to the original 1/3.