Strauss Puzzle Exercise Mat Interlocking Tiles PROTECTIVE, PORTABLE FLOORING - Dense, durable tiles protect floors and withstand gym equipment and heavy use Made of high-density EVA and rubber foam for long-lasting, reliable performance; free from toxic phthalates Easy to assemble; lightweight, interlocking puzzle pieces quickly connect—and come apart just as easily for storage and includes 12 end borders for a seamless look Puzzle exercise mat contains 6 pieces, covering 24 square feet total with each tile measuring 24" x 24" x 0.4" SAFE & LOW-MAINTENACE - Non-skid textured surface provides traction; Water-resistant and noise-reducing design