... ion silicone watch 1.Material:100% silicone 2.sizes: 14-19cm 3.1ATM ,3ATM 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 ... 10 gram,convenient to carry3.100% high silicone material, non-toxic, and eco-friendly4.1ATM ...