... ,nontoxic PVC EVA,genuine or imitation leather,reflect meterial,etc.The back is made of real super thin fibre cloth,spectacles ... velvet and many kinds of clean cloth.Application: Be used to clean the screen of the mobile,PDA,camera,computerChip available:125K, EM4102/4100 ... 13.56M: ISO 14443A, Mifare1S50/S70, ultralight(NXP) ISO 15693, I-codesli, tag-it 2048 RFID MOBILE PHONE CLEANER-MC9910