Simple Stories School Life Photopolymer Clear Stamps - It's back to school time! The Simple Stories School Life Collection Clear Photopolymer Stamps are perfect for homework, projects, pages, cards, and so much more. Included in the set are 17 clear photopolymer stamps that can be used with an acrylic block and your favourite inks (each sold separately). The stamps are in the shapes of a pennant, a backpack, eyeglasses, an apple, and more. Largest: 1.63" x 2.12", Smallest" 0.18" x 0.63".