[Box of 5] Flat Pebble Interlocking Tile - Auburn 12x12" Interlocking Tile 12" x 12" Stone size: varying shapes from 1" to 2", Thickness: 3/8" (10mm), Grout Joint: up to 1/2" Finish Shown: Natural Red; Sliced Indoor or outdoor. Priced by box; 5 pcs per box.