silicone watches 100% high grade silicone, unisex many colors available, silicone watchesmade from 100% silicone1ATM or 3ATM water proof watch movement,with 10-12 months lifetimeWith two languages instruction mannual on both sidesSize:210/180(mm), or any customizedNet weight: 12g/pc for 210mm, 10g/pc for 180mm Color: customized, any PMS color.Logo: customized available, screen/embossed/debossed ...