... for people under water with it. Brief Features: Product 1RFID Wristband/Bracelet--ReusableBrand NameFreevisionMaterialSilicone, ABS, Rubber, PCModelFVWT01-FVWT07ColorRed, Blue, ... Non-StandardOptionsLogo printing silkscreenEncodingProduct 2One-time-use RFID BraceletBrand NameFreevisionMaterialPVCColorWhiteFrequnency13.56MHz,125KHzChipMifare 1K, Mifare Ultralight, I CODE SLI, etcOptionsLogo printing ...