... . ISO9001:2000,SGS certificated stress chip card(pvc card) is a type of feeling and temperature card ,has a chip when you press it ,it ... :1, Material: pvc or other plastic material2, Coating: press polish high gloss or matted, special varnish for client over printing ,UV ... ) in front and back, or pantone color4,Additional options:stress chip Reference photo custom sized stress chip card