... Color: blue, red, black, etc. Waterproof rfid wristband made of silicone material IC Options of RFID Wristband1) LF (125KHz): EM4100, ... UCODE GEN2,ALIEN H3,IMPINJ M4, etc.Specifications of RFID Wristband1) Material: silicone2) Dimensions: watch dial—oval; inside diameter ... & Weight1) Weight: 12.8g/pcs2) Package: 100pcs/bag, 10bags/carton3) Carton dimensions: 460mm*300mm*340mm4) Carton weight ...