Achim Imports FTVWD23145 Achim Home Imports Tivoli Ash Grey Wood 12 inch x 12 inch Self Adhesive Vinyl Floor Tile #231, Easy Do-it-Yourself Installation - Just Peel 'N' Stick. No Wax Finish. 12 inch x 12 inch Tile - 1.2mm Thick . 45 square feet per box (45 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. 45 square feet per box (45 tiles per box).