1.harmless to body,eco-friendly. 2.bright color, 3.beautiful design. 4.not easy break. 5.produce as your request. rfid wristbandRFID Silicone Wristband, Waterproof (more colors or customization on request) IC Options of RFID Wristband1) LF (125KHz): EM4100,EM4200,T5577,Hitag 1,Hitag 2,Hitag S, etc.2) HF (13.56MHz): Mifare1 S50,Mifare1 S70,Mifare Ultralight,I-CODE2,TI2048,SRI512, etc.3) UHF (860 ~ ...