... . used in contactless card and RFID label 2. format: 2*4, 2*5, 5*5, 3*8 3. thickness ... : 0.45mm I code 2 Inlay Features: Chip type: Mifare S50/S70, MF ... , MF Desfire, etc.Material: PVC, PETInlay Format: 2*4, 2*5, 5*5, 3*6, 3*7, 3 ... *8,4*8,4*10, etcThickness: 0.45± 0.02 ... 6.46±0.3kg/ carton (2.1±0.11lbs/roll; 14.2±0.66lbs/carton)Performance SpecificationsReading Distance ...