Tape Material: Nylon Watch strap size: chuck position size 18 | 20 | 22 | 24mm Tape length: 13cm + 9.5cm Tape thickness: 2-2.5mm Dear buyer: We are from China, we are a mobile phone accessories company, our store mainly deals in mobile phone accessories, wireless earphone,cellphone screen,and phone cases,headphone,Tempered glass film,usb cable These are also our main projects..syi