Flat back hemispherical glass cabochon bead, suitable for gluing into bezel settings, onto flat back bails. Affix these on top of a photo or other design for a framed effect. These beads have a magnifying effect when placed on top of images or words. PLEASE NOTE: Due to reflection in the photograph, the beads appear milky. They are actually crystal clear with no cloudiness. Cabochon beads have a flat back and are not drilled. These are a classic, hemispherical and they are a standard size that fits many styles of setting, both vintage and modern. Please check dimensions to make sure they will fit your project. Each Glass cabochon measures approximately 30 mm long, 30 mm wide.7.6mm highQuantity: 30 Piece per pack.