American Crafts-Amy Tan Better Together Thickers Stickers: Thick And Thin Alpha/White Foam. Add dimension and a pop of color to your next project with these stickers. This package contains two 11x5-1/2 inch sheets with 150 stickers total. Acid free. Archival quality. 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. Imported.