These cap puzzle mats are made from 1/2-inch thick high density foam. This set is sold as a pack of 6 tiles. Each tile measures 22.3" x 22.3". this puzzle mat includes finishing strips for the edges and requires no Assembly. These high density floor mats are a great way to protect floors and equipment from wear and tear. All mats include anti-microbial agents to reduce bacteria and keep the mat odor-free. Provide a cushion to hard floor surfaces in gyms, exercise rooms, trade shows, playrooms, and more by using this mat.