... wristbandRFID Silicone Wristband, Waterproof (more colors or customization on request) IC Options of RFID Wristband1) LF (125KHz): EM4100,EM4200,T5577,Hitag ... .2) HF (13.56MHz): Mifare1 S50,Mifare1 S70,Mifare Ultralight,I-CODE2,TI2048,SRI512, etc.3) UHF (860 ~ 960MHz): UCODE GEN2 ... picture for your reference New Arrival ,Silicone Rubber Wristband with I CODE SLI IC and Printed Logo, Measures 20cm