Acrylic cabochons from Bottle Cap Inc. will give your jewelry or craft a more polished look and feel. They are crystal clear and slightly magnify your design underneath. They fit perfectly inside all 1/2 inch mini bottle caps and pendants from Bottle Cap Inc. Adhere with a clear adhesive such as Crystal Lacquer, Glossy Accents or Diamond Glaze (each sold separately). Each package contains six 1/2" clear acrylic cabochons. Made in the USA.