waterproof ion silicone watch 1.Material:100% silicone 2.sizes ... and 5ATM waterproof 4.OEM/ODM Silicone sports watch,Ion watch,silicone anion watch,fashion rubber watch (OEM/ODM ... IS OK) ion silicone watch is economical and very popular all over ... Ultra lightweight-Wide Variety of Colors-Water Resistant-Replaceable batteries Product Feature:1.size:160 mm,170mm,180mm, ...