Compatible for use as clone cards with Switch, U and new . Built with and 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 and 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:WhiteMaterial:PVCSize:One piece about 85. 5x5. 4mmPackage Contents:30xNFC CardsOnly the above package content, other products are not included. Note: Light 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.