Emser Tile - Opuscar - Stone Pebble Mosaic - Light Emser Tile's Opuscar™ features superior quality natural stone, cut into a captivating pebble design. A selection of tonal blends are available with a subtly honed finish on a meshed backing. Specifications: Size: 12" x 12" 5/16" Thick Finish: Honed Eased Lbs Per Piece: 3.53 Sold per sheet M18OPUSLT1212MF