rfid bracelet tracking for Water Games 100% silicone materilal 100% waterproof Great solutions for ... silicone and ABS material with Mifare 1K transponder. It is water-proof and specially designed for swimming pool, sauna, amusement park ... Celsius Weight: 15.5g Application areas:Airport parcel,Parcel tracking,Individual tickets in amusement park, Travel Package,Beach,Hospital,Patient identification ...