... band width-16mm 3.Color: blue, red, black, etc. 13.56MHz Mifare RFID wristband with 1k Byte Memory 1. Waterproof, dampproof., Quakeproof, ... Silicon wristband flexile and steady in use, waterproof, used for swimming pool, amusement park.The wristband is made of silicone ... . It is designed for applications which require resistance for waterproof and high temperature resist. The detail ...