American Crafts-Heartland Farm Wooden Bottle Caps. The perfect additions to your journals, scrapbooks, cards and more! This package contains six 1-1/2 inch round wooden bottle caps on one 5x3-1/2 inch backing sheet. 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. Acid free. Imported.