Sharper Designs Postcard - 5¾" x 4". All cards are exclusively designed for Sharper™, printed on premium glossy stock (Paper - heavy 12 Pt. Carolina cover stock with a protective coating). Just select a design, then personalize with one of our messages, or customize by writing your own. We'll print either on the back of the card FREE! Designs may be mixed and matched in lots of 50.