This Birthday Strips stamp is the perfect size for a background stamp. This stamp is part of the Creative Expressions Woodware Clear Singles collection. This stamp is made of clear photopolymer. This stamp will adhere to an acrylic block and can be used with your favorite inks, markers, paints, embossing powders, and other crafting mediums (all sold separately). This stamp will help you make many colorful, one of a kind birthday cards. This stamp comes on a 4" x 6" clear storage sheet.