Detailed Product Description features for key tag,plastic card,plastic key tag:A)Card material: environment friendly PVC, polyester, ABS, PET, PETG, ... .E) Chip available: Philips Mifare 1K S50,S70, utralight, UCODE, ICODE, SLE5542, SLE4442,SLE4428, SLE5528 etc. Simens series, Temic series, AT24C16 ...