Sizzix-Interchangeable Clear Stamps. A fun and quick way to add a phrase or image to any paper crafting project! Simply peel stamp away from the backing sheet, place onto any acrylic block and stamp. This package contains Christmas Greetings, Ornament And Tree: a set of six stamps on one 6-1/2x3-1/2 inch backing sheet. Designer: Jen Long. Imported.