SUPERJARE Eva Foam Interlocking Tiles Protective Flooring Mat with Borders - Dark Wood Grain/Light Wood Grain FOAM TILES SIZE - Each Tile = 1 square foot (1' x 1' area); 16 Tiles = 16 square feet (4' x 4' area); 0.4" thickness 16 TILES AND 32 END BORDERS - With 16 Tiles, each tile with 2 end borders which is easier to give a clean edge FOR HARDWOOD FLOOR SURFACES - The foam mat protects your spine, hips, knees and elbows on hard floors, also protects floors from damage. Made of high density non-toxic EVA foam, no bad smell INTERLOCKING TILES - Outer edge of the mat can be removed to reveal another interlocking tile so that more mats can be added at any time if needed (ALERT: only compatible with Superjare 0.4" thickness of tiles) WATERPROOF AND A BREEZE TO CLEAN - Dont worry if you spilled some drops of water or a bit of milk on your brand new tiles; they are waterproof, and the best part is that they can be easily cleaned with a damp cloth. All you need to do is wipe them gently and voila; theyre like new again