NHR presents set of 4 Interlocking Foam Kids Mat/ Gym/ Exercise Mat! Convert any area into a safe and convenient workout area with the NHR Exercise Puzzle Mat. The interlocking pieces are quick and easy to assemble so you can set it up and take it apart easily. Great for garages and basements and even on the carpet to protect floors, reduce noise, and make floor exercises more comfortable. The dense, textured foam offers the perfect base for weight lifting benches, dumbbells, kettle bells, and other workout equipment. Provides a non-skid, protective workout floor. Easy to assemble & water resistant. Great for gyms and at-home workouts.