Achim Home Furnishings FTVWD22920 Nexus Self Adhesive 20 Vinyl Floor Tiles, 12" x 12", Charcoal Grey Wood Easy Do-it-Yourself Installation - Just Peel 'N' Stick. No Wax Finish. 12 inch x 12 inch Tile - 1.2mm Thick . 20 square feet per box (20 tiles per box). 5 Year Limited Warranty. Easy Do-it-Yourself Installation - Just Peel 'N' Stick. No Wax Finish. 12 inch x 12 inch Tile - 1.2mm Thick. 20 square feet per box (20 tiles per box).