HERO ARTS-Cling Stamps. These Clings are repositionable stamps backed with a special material that uses static cling to stick securely to acrylic blocks for clean easy stamping. Each one is hand made with 100% all-natural rubber that is latex free; phthalate free; non-toxic; and biodegradable. This package contains Lacy Background: one repositionable cling stamp in a 7-1/2x5-1/2 inch package. Made in USA.