1.Hot stamping scratch off labels ; 2.Use a hot stamping machine to hot stamping on the pvc card ; Scratch off foil,Hot scratch foil,Heat foil,Hot stamping foil The Scratch off foil provide a visual Barrier to Specific information such as a PIN number or Password that needs to be secured . we have the hot stamping type, it can be used in many kinds of Professional Scratch off foils equipment, End ...