Airex® mats are lightweight, comfortable and do not slide on the floor. They are made from closed-cell foam with an "integrally molded skin" for extra toughness. Transverse ribbing pattern is molded into the mat to resist tearing and to give the mat enough flexibility to be "rolled-up" for carrying and storage. Available individually boxed. Ideal for individual workouts and yet tough enough for use in fitness centers and therapy clinics.