... .TAG Type:Read/Write 3.Contactless tag,Proximity tag Nylon Magic RFID Wristbands Material :100%,silicon Size : 45*14cmColor:blue,red ... ,yellow ,gray,pink,green,ect Feture1,colosed-loop wristband,elastic, easy to carry ,waterproof,moistureproof,shockproof,High temperature resistant2,Low frequency ...