These clear stamps peel off their backing and stick to any acrylic blo ck making for easy stamping. Simply apply your favorite ink and stamp crisp clear images! They are made from 100% photo-polymer which is lat ex free, phthalate free and non- toxic. This package contains You re Top Tier: a set of ten stamps on a 4x6 inch backing sheet. WARNI NG: Choking Hazard. Not suitable for children under 3 years. Made in U SA.