Ellami 80pcs 6mm Half Round Flat Back Clear Glass Dome Cabochons for Photo Pendant Craft Jewelry Making Size: about 6mm in diameter Material: Glass; Color: Clear Best used with earring, cuff link, ring.Best used with earring, cuff link, ring. Flat back - Round cabochon -- Cabochons have a slight magnifying effect Great for cameo pendants, photo jewelry, crafts, custom jewelry, and many other uses