ART IMPRESSIONS-Cling Stamps: Zoo Crew Collection. Whimsical designs and high-quality rubber make these stamps a must-have for any stamper! Each one comes on a 1/8-inch thick piece of repositionable cling foam and can be used with any acrylic block (not included). This package contains Flamingo Set: a set of two cling rubber stamps in an 8x4 inch package. Made in USA.