Modern Homes 24 in. W x 24 in. L Interlocking Foam Mats (24 sq. ft. coverage) 18285 - The Home Depot

Easy interlock system. Requires no messy adhesives or tape. Installs in minutes. Easy to remove. Protects floors from impact and abrasion. Reduces Noise, insulates cold floors and anti-fatigue. Ideal for fitness rooms and home gyms, laundry rooms and utility rooms, mud rooms, work rooms, basement floors, rec. rooms, dog kennels etc