Compatible for use as clone cards with , U and new . Built with high quality & durable waterproof PVC material,each NFC card with opp bag individual packing. Blank white both side - printable by most photo ID card printers like , , , , , Nisca, NBS & etc. NOT use for inkjet printers. 504 bytes usable memory, programmable with all NFC-enabled smartphones or devices. Note: Some Models can not support reading the NFC cards, so it can not recognizes the NFC cards, it is not cards problem, understand it clearly your buying. Colour:White Material:PVC Size:One piece about 85.5*5.4mm Package Contents: 150*NFC Cards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Built with high quality & waterproof PVC material,each NFC card with opp bag individual packing. Compatible for use as clone cards with , U and new systems. 504 bytes usable memory, programmable with all NFC-enabled smartphones or devices. Note: Some Models can not support reading the NFC cards, so it can not recognizes the NFC cards, it is not cards problem,please understand it clearly before your buying. Blank white both side - printable by most photo ID card printers like , , , , , Nisca, NBS & etc. NOT use for inkjet printers.