American Crafts-Clear Stamps. Make your own cards, printed fabric, invitations, personalized stationary, patterns, mixed media projects and so much more! These beautifully colored clear stamps are made of 100% photopolymer. This package contains a clear stamp on one 2x2 inch backing sheet. Comes in a variety of designs. Non- toxic. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm- do not mouth or chew. Made in USA.