20 Square Glass Tiles - 7/8 Inch - Clear Tiles - Glass Cabochons - For Photo Pendants Mosaics Trays - 7/8" 22.2mm Tiles - 4mm Thick 20 Square Glass Tiles 7/8 Inch by 7/8 Inch (22.2mm) 4mm Thick Edges are polished smooth so they are not sharp Perfect for blank pendant trays