Hampton Art-Color Me Mounted Rubber Stamp. Hampton Art offers premium quality rubber stamps in a wide variety of images and themes to match any and every project or design style. Each stamp comes mounted on a 3/4 inch thick wood block with contoured sides and has a 1/8-inch thick-foam padding for maximum transfer. This package contains Butterfly: one rubber stamp mounted on a 3-1/2x3- 1/2 inch wood block. Imported.