... and campus, Parking lot system and Consuming system, anti-fake label, warehouse management, production line…. Access Control , Cashless Vending, ... 10CMWater and Hear ProofFunction: Read/Write protect by passwordMaterial:Silicon/soft pvc/paper/ABSAvailable Sizes (mm) φ74,φ65, φ60 ... choose:1.silicon wristband with buttons2.closed silicon wristband3.soft PVC wristband(one time use)4.paper wristband(one ...