The mat material is EVA. Turn any area into a safe and comfortable workout area with the Signatron Exercise Puzzle Mat. The interlocking pieces are quick and easy to assemble so you can easily assemble and disassemble them. Ideal 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 foundation for weight lifting benches, dumbbells, kettlebells and other workout equipment. Train like a pro, train with signatron. EVA foam is 0.5" thick from the highest point of the texture. Provides a non-slip and protective training floor. Easy to assemble and waterproof. Ideal for gyms and home workouts. The exercise puzzle mat is perfect for training in areas with hard floors, such as garages, basements, and crossfit boxes. If you need a safe and comfortable area for training, but do not want to completely redesign or install the floor at home or in your gym, this is a great option. Dense foam provides more space and cushion than yoga mats or folding exercise mats, allowing you to spread out with dumbbells or a bench and perform a variety of workouts