... /SLE5528/BL7428/FM4428 Application:SLE4428 card for hotel key card,epayment ISO Approved PVC SLE4428 Card SLE4428 ... contact memory card in security area, use as hotel key card, pre-payment, etc. SLE5528/SLE5542 is ... StandardCustomized AvailableThickness0.84mmCustomized AvailableForm & ShapeClamshell, Hang Tag, Key Fob OptionalCustomized AvailableArtwork designAny Artwork Design (We Offer Free Artwork ...