Two surfaces in one mat. One side ribbed and one side smooth. Superb cushioning. Body heat retentive and impervious to water. Easy to clean with a damp cloth. Great for Pilates mat exercise, fitness and routine daily workouts. Made from phthalates free PVC closedcell foam. 49 in Mat: 49 in. L x 23 in. W. 56 in Mat: 56 in. L x 23 in. W. 72 in Mat: 72 in. L x 23 in. W. 72 in Mat: 72 in. L x 39 in. W