Amtico Advanced Marcasite 12 x 12 Marcasite: 6.75 S/FT, covers 45.000 per S/FT, contains 45.000 per Box, measures 12.000 Inch long, 12.000 wide, weighs 30.000 lbs, in the Gray color family, composed of Vinyl, has a Squares design, Smooth surface type, Beveled edge type, Square end type, has a 15 year warranty