... ,13.56khz Plastic Key Tags Size:37*30.3*8.2mm Blue/Grey,other ... need customization. 13.56mhz:Mifare 1K S50 Printing Card Number is optional (8digits,10digits,18digits)Meterial: ABSDimension: 37*30.3*8 ... Sli , Legic mim256, JWL872, TI256, TI2048,INSIDE picopass 2KS NFC Key Chain,13.56khz Plastic ...