Achim Home Furnishings FTVGM32645 Tivoli Self Adhesive Vinyl Tiles, 12 x 12-Inches, Rustic Slate, 45 Pack Easy Do-it-Yourself Installation - Just Peel 'N' Stick. Stunning High Gloss, 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).