Meitoku 12" x 12" Interlocking Puzzle Mat (9 Pieces) Made out of high density EVA foam for greater durability and comfort. Our mat have passed CCC, SGS, GTS test. Each kit comes with (9) 12.6" x 12.6" x 3/8" interlocking padded tiles for a total of 9 sq ft of coverage. Provides a Cushion for tired feet on Hard Floor Surfaces in Gyms, at Trade Shows, Schools, Daycares, Water resistant, durable, lightweight and very simple to assemble Protects floors while providing a comfortable workout area, Double-sided, non-slip surface grips the floor to prevent injuries