Creative Home: Nexus Vinyl Self Stick Tile: 444 Light Slate Marble: 1 Box 20 Tiles: Covers 20 Sq. Ft. Self-adhesive vinyl flooring Great for apartments, studios, offices or dorm rooms Size: 12" X 12" X 1.2Mm (0.047") Thick Quantity: 20 pieces per box (20 sq/ft each box) Brand New In Box - Factory Sealed