Alex Tech PET expandable sleeving is used to wrap and protect a wide assortment of cables in many application. It's flexible, high stretch and abrasion resistance. Size: Diameter: 1/2"| Length: 100 Feet | Color: Black. Diameter expands by 50%. Our wire sleeve is made from PET Operating temp(degree F.):-103 to 257|Melt temp: 446.Our braided cable sleeve is used in automotive Hifi audio speaker hdmi wire Our PET expandable braided sleeving : UL | ROHS | REACH | Halogen Free Our cable sleeving protects and prolongs the life of wires. Economical and easy to install Recommended: Cut Braided Sleeving with a HOT KNIFE to prevent fraying, if a Hot Knife is not available, make sure to melt the edges with another heat source (example: close to the flame from a lighter)