Festive Fun Card-io Combinations Clear Stamp Set. All clear rubber stamps in the Card-io collection are made from high quality, non yellowing 3mm thick clear polymer. All of the stamp sets are about 4 inches by 6 inches. Festive Fun Clear Stamp Set; 28 sillhouette images of little people, families, individuals, pet-dogs, playing, ice-skating and having fun. A perfect addition to any Christmas scene.