Single product length: 55 inch(140 cm), inner diameter: 2.5 mm, suitable for Apple/Samsung/HuaWei and other Tablet charging cables as well as your earphone cords. Inner Diameter:2.5 mm,but can be suitable for cable with a diameter of 2~5 mm.Material: PVC layer covers the sensitive area of cable, preventing harmful twists & bends, protect wire and cords from dirt, fray, tangle and knot, the risk of fraying and breaking reduces by 90%Protects pets from chewing: Acts as a second barrier of defense against your pet chewing through the cable, designed to discourage most pets from dangerous and destructive cord chewing