$HSN$9611$$ Your Next Stamp-Clear Stamps. Fun and whimsical stamps that are perfect for your next stamp! Crystal clear stamps made of high quality photopolymer. They have a microscopically porous surface which gives superior ink transfer with all types of ink! Ready to use with any clear block (sold separately). This package contains eleven clear stamps on one 6x4 inch backing sheet. Design: Clowning Around.