These clear stamps peel off their backing and stick to any acrylic block making for easy stamping. Simply apply your favorite ink and stamp crisp clear images! They are made from 100% photo-polymer which is latex free, phthalate free, non-toxic and biodegradable. Use the dies for an added layer! This package contains Dress Up: a set of 15 clear stamps on one 3.125x4.125 inch backing sheet and four coordinating dies measuring between .5x.125 inches and 2.75x1.625 inches. Made in USA.