Tile Size: 18" x 18"Coverage: 2.25 sq. ft. (9 sq. ft./box)Thickness: 3/8"Material: Satin MarbleSold by the Box: 4 tiles/boxUsage: Commercial/Residential (Indoor)Use: Wall/FloorPLEASE NOTE: Inventory is in square feet, but this material is only sold in full boxes. Prices may be in square f..