Staylock Orange Peel Texture Tiles in Black "When doing my P90X3 workouts the puzzle piece mats I had would come apart during plyometrix exercises like jumping or cutting and these stay in place during those workouts, offering a stable platform. These are the mats you want for your P90X or Insanity Beachbody workouts!" - Brian https://www.greatmats.com/gym-flooring/gym-floor-tile-staylock-black.php