magnetic strip card with printing 4/4C Material:PVC.PET.PETG.ABS.Paper discount cards, membership card, VIP card,Loyalt Magnetic card with strip printing 4/4CHUAYUAN offers a ... Organization for Standardization standards, ISO 7810, ISO 7811, ISO 7812, ISO 7813, and ISO 4909, defines the physical properties of the card, including size, flexibility, location ...