These cling stamps offer the quality impressions of a rubber stamp with the convenient reusability of clear stamps. Each one is specially designed and sized to work with the Stamping Gear system (sold separately), but can also be used on their own with any acrylic block. Details: Fossil Leaves design 4 cling rubber stamps on a 4" x 4" backing sheet Rubber and cling foam For use with acrylic blocks (sold separately)