Twenty-four gray EVA tiles make up this puzzle mat set, each one 25 in square at a 0.5-in thickness, covering about 104 sq ft once laid. The edges are the part that decides whether a foam floor stays a floor: they use a seamless interlocking pattern, so tiles pull together into a stable gap-free surface with no ridges to catch a toe and no seams for grit to work into, and 48 side strips are included to close off the perimeter so the outer row cannot curl up or shift out of the layout. Thickness does the protective work. Half an inch of EVA absorbs the shock of a dropped weight or a loaded frame foot before it reaches the floor underneath, and the same layer cushions impact so knees and joints take less strain through jumping, kneeling, and floor work. The top face is textured for non-slip footing during workouts and playtime, and because EVA is waterproof, sweat and spills wipe off rather than soaking into the foam. That same foam damps sound, absorbing noise and minimising floor vibrations so training stays quieter for anyone below. Gray reads as neutral against most flooring, which is what makes the set easy to leave down in shared space rather than packing it away. The material is BPA-free and safe around children, the full set weighs 9 lbs and stays lightweight and portable for rearranging, and the mats suit gyms, playrooms, and living areas. Assembly is required.