Rockin Beads Brand, 48 Clear Dome Glass Tile Cabochon Clear 25x19mm 1"x3/4" Non-calibrated Rectangle 48 Piece Wholesale Pack Clear Dome Glass Tiles Cabochon Clear 25x19mm 1"x3/4" Non-calibrated Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card