Amtico Spacia Stone 12 x 18 Linear Stone Shale: 3.70 S/FT, covers 27.000 per S/FT, contains 18.000 per Box, measures 18.000 Inch long, 12.000 MM wide, 2.500 Inch thick, weighs 21.000 lbs, in the Gray color family, composed of Vinyl, has a Tile design, features a Urethane finish, Smooth surface type, Beveled edge type, Square end type, locking floor installed without glue, has a 10 year warranty