KINDLY NOTE - The tube can only be used for less than 22mm circumference of the original iphone data cable. Only fit for original apple lighting cables. Only fit over the small end - not the USB end. | 6 Color: Yellow/Blue/Black/Green/Red/White. 60 PCS Collection of heat shrink tubing, 6 colors, 100MM length per piece. | For iPhone Cable Only: Perfect for iPhone cable, supplied internal diameter less then 6mm. | Shrink Ratio: 2:1, Initial shrink temperature: 70℃,complete shrink temperature:110℃ | Made of environment friendly meterial, with CSA, UL, RoHS certificate.