silicon wristband 1.Oval dial, Waterproof 2.inside diameter--74mm ... delivery Waterproof silicon wristband with high quality from China IC Options of RFID Wristband1) LF (125KHz): EM4100,EM4200 ... ,T5577,Hitag 1,Hitag 2,Hitag S, etc.2) HF (13. ... /carton3) Carton dimensions: 460mm*300mm*340mm4) Carton weight: 1.5kg5) Net weight: 13.8kg/carton6) Gross weight: 15 ...