The Mats Inc. Interlocking Fitness and Recreational Floor Side Tiles provide a contemporary look and feel while offering a comfortable, warm surface. These tiles are specifically designed to work with Interlocking Center and Corner Tiles. This extra shock absorbing flooring muffles noise and deadens sound. These tiles are reversible and easy to install by interlocking together to create a firm surface. The Sports Flooring Tiles are family friendly, non-toxic and lead free as well as environmentally friendly containing 100% post-consumer tire rubber and post-industrial colored rubber flecks. Each carton diverts approximately 1 tire from a landfill. Tile color runs through and through.Mats Inc. Interlocking Fitness and Recreational Floor Tiles, Side, Red, 2' x 2', 4 Pack