BalanceFrom Kid's Puzzle Exercise Play Mat with EVA Foam Interlocking Tiles High Quality EVA Foam Interlocking Tiles Kid's Puzzle Exercise Play Mat with High Quality EVA Foam Interlocking Tiles. Made in USA 36-Tile: item comes with 36 tiles in 9 colors and 54 end borders (6 boarders each color). each tile measures 12"x12"x0.4". each square = 1 square foot; total coverage 36 square feet (6' x 6' area) Non-toxic, tested free of lead, bpa's and Phthalate; meet or exceed the US Regulated toy safety standards. Easy to clean with damp cloth & mild soap. Interlocking feature and lightweight make it very simple to assemble Item comes with 54 multi-color boarders. With these many boarders, you can not only make one big piece of area, or a few smaller areas (for example, two 18 square feet areas, three 12 square feet areas, etc.) according to your house room combinations With high density EVA foam, the 0.4'' thick premium mat comfortably cushions spine, hips, knees and elbows on hard floors. With double sided non-slip surfaces, BalanceFrom puzzle mat comes with an excellent slip resistant advantage to prevent injuries All genuine BalanceFrom products are covered by a 100% BalanceFrom satisfaction guarantee and 2-year BalanceFrom Warranty. Customer satisfaction is our highest priority