silicone electronic watch: 1.100% pure silicon, texture is soft, tensile, feel very well, 2 the natural harmless, avirulent insipidity non-corrosive, environmental protection. 3 waterproof, not glue grey and with super wear-resistant and strong adhesion, and effectively protect chassis prevent scratch damage in the collision, have good cushioning, mobile phones and surface damage can be repeated washing, and beautiful appearance like new. 4 style, color can be customized according to customers' needs.