HYPOALLERGENIC MATERIAL: Alloy + Glass; Color: Antique Bronze; Cadmium Free & Nickel Free & Lead Free. PENDANT TRAYS KIT SIZES: Round Bookmark Cabochon Settings Inner Diameter: 20mm, 137x28x3mm in length; Flat Round Clear Glass Cabochon: 20mm in diameter, 5.5mm thick. QUANTITY: 6pcs x 20mm Bookmark Setting Blanks(3 Style, 2pcs/style); 6pcs x 20mm Flat Round Clear Glass Cabochon. EASY COOPERATION: Easy to create and fun to use. you can glue any your favorite picture in the cabochon. Attention please: The photo in the pendant shown in our picture is just an example, you will receive only pendant trays. you can use any your favorite picture. WIDE APPLICATIONS: This set of pendant trays with glass dome tiles are very widely applied, fitting most jewelry and crafts of different colors, so you can make jewelry, Crafts, cameo pendants, photo jewelry, resin or something else. Perfect back to school gift for teacher, students and friends. Easy to create and fun to use. you can glue any your favorite picture in the cabochon.|Attention please: The photo in the pendant shown in our picture is just an example, you will receive only pendant trays. you can use any your favorite picture.|This set of pendant trays with glass dome tiles are very widely applied, fitting most jewelry and crafts of different colors, so you can make jewelry, Crafts, cameo pendants, photo jewelry, resin or something else.|Perfect back to school gift for teacher, students and friends.