Hero Arts HA-CL407 Clear Stamp, 4 by 6-Inch Sheet, Feathers Peel off stamp backing and stick to an y acrylic block making for easy stamping Made of 100% photo-polymer which is latex free, phthalate free, non-toxic and biodegradable This package contains a set of four clear stamps on one 6 x 4 Inch backing sheet Each sold separately Made in USA