Material: Soft Silicagel;Made by Premium Soft Silicone with sophisticated craftsmanship, let you have the elegant and fashionable feel. Lightweight and sweat resistant. Very soft and comfortable to wear. Fit Size: Fits 5.5"-7.8" (140mm-200mm) wrist, it can be men's or women's, comfortable touch feeling on your wrist, simple but attractive, look fantastic and giving a nice professional look on any occasion. Massive perforation enhances breathability and ventilation with added comfort. It will instantly cool and dry up after you sweat during the sports, bring you a comfortable wearing experience.