1.100% silicone quartz watch 2.3ATM water proof 3.ROHS and CE ... approve 4.All color available 5.OEM welcome 1. Material: silicone strap, 100% eco-friendly silicon , non-toxic, odorless, soft and ... to wear/remove, suitable for any wrist.4.Colors: 10 solid color,Red, rose pink, blue, orange, green, purple, white, yellow ...