This watchband is made of nylon and has a beautiful design. It is 22 cm long and can fit up to a men’s size 44mm Apple Watch. The style 1 is for an Apple Watch Series 6 with a 40mm case, the style 2 is for an Apple Watch Series 4 with a 38mm case, and the style 3 is for an Apple Watch Series 3 with a 42mm case.