Pack include: 3 rolls of PET expandable braided cable sleeve, each roll is 16 ft, sizes are 1/4 Inch, 1/2 Inch, 3/4 Inch Material: made from PET, anti-stretch, anti-friction, fire-resistant, flexible, not easy to be affected by cleaning product or others Convenient and durable: our cable sleeving protects and prolongs the life of wires; Easy to install Black design: the black cable sleeve will not make your cable look obtrusive, can match with most cables Recommended: using a heat source to process the cut casing, you can use the flame from a lighter (not included); Recommended for use with heat shrink tubing; Operating temperature is -40 to 125 degree Centigrade, melting point is 250 degree Centigrade