ProImpact Interlocking Rubber Flooring (2 Pieces), 10 Percent Blue/Gray Color, 36 x 36 x 8mm Commercial grade heavy duty interlocking rubber flooring with appealing color fleck helps hide dust and dirt designed for durability impact and slip resistance in easy to use larger 36" Tiles Easy to care for larger interlocking tiles gives you versatility to cover your equipment or the entire floor with fewer interlocking tiles Super Green recycled product made in the USA from rescued tires The same material used in the finest health clubs and professional team's weight rooms around the world