Double Layer Design: Rubber top layer EVA foam gym exercise mats, non-slip and durable surface, anti-abrasion Easy to Assemble and Detach: Each workout mat set has 12 pieces, and each gym mat has 2 removable borders. Interlocking design, simple assembly, and detachment Floor Protect: The rubber-surfaced gym mats are sturdy and durable, provide excellent grip and non-slip, and provide enough cushioning to protect the gym flooring for the home gym from scratches and scuffs Noise Reduction: The EVA foam layer provides excellent shock absorption, reducing noise for a quiet workout Suitable for Multiple Places: Placed wherever you need. These interlocking toothed floor tiles are ideal for garages, basements, and home gyms, and can be easily detachable or linked. Adjust or extend them as necessary