Pebbles-DIY Home Foil Chipboard Letters & Numbers: Gold. Add to homemade banners, mixed media projects and more! This 4x3-1/2x1-5/8 inch package contains thirty-six foil chipboard letters in an assortment of sizes. Acid free. 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.