... QTY500 pcsColorRed, Blue, Black, Purple, Orange, Green,White,Yellow, or customized.Chip AvailableLF: TK4100,EM4200,EM4305, ... ℃Main FeatureSoft, flexible, convenience wearing. Waterproof, quake proof. One-time used/ AdjustableApplicationEvents, festivals, wedding, parties, election, promotional ... Technology is one of the leading one-time use alienh3 uhf rfid paper wristband for music concert suppliers ...