AMERICAN CRAFTS-Thickers Chipboard Stickers. Add dimension to your paper crafts with Thickers Chipboard Stickers. Each one is approximately 1/16 inch thick; covered in glitter on the front side; and has adhesive on the entire back side. This package contains two 11x5-1/2 inch sheets of acid free; archival quality Glitter Chipboard Letters. Available in a variety of colors and fonts: each sold separately. Imported.