... 2700oe,2750oe,4000oe) .Also can add barcode strip, scratch off strip,signature panel,serial number(thermal ,inkjet and embossing Nos), hot-stamping ... a store, or event and then gets to simply scratch off the panel to reveal the information. You can include more than ... one scratch panel on your design, however, too many panels can leave residual "scratch-off" material on your cards ...