Mini Glass Gems (Optic Drops 12mm) are extremely versatile in mosaic work. It is rounded at top and flat at bottom. Diameter is 12mm and thickness approx. 6mm in the center, thinner on the edges. Available in pearlised, single colours, matte, or mix packages. Pack sizes: 50g contains approx. 35 pieces and 200g contains approx. 135 pieces. Made of recycled glass.