American Crafts-Heartland Farm Clear Acrylic Stamps. The perfect image to add to any crafting project! For use with acrylic stamping blocks and stamping ink (not included).This package contains one clear acrylic stamp on one 2x2 inch backing sheet. Comes in a variety of designs. Each sold separately. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm- do not mouth or chew. Acid free. Imported.