The NORSK Solid Color Recyclamat Multi-Purpose Foam Flooring is used for safety and anti-fatigue applications for home and commercial use. Made from 100-percent premium grade recycled materials, this product endures years of repeated use and has a patented reversible feature, allowing both sides of the mat to be used to either replace worn tiles or to change color surfaces for decorative purposes. Help conserve natural resources with the highest quality recycled foam flooring. This flooring is ASTM rated child safe, flame retardant, latex free and lead free. There is anti-slip on both sides. One box contains (4) recyclable interlocking foam mats and includes borders for a finished look. Mats are each solid red, blue, yellow, green colors. Measuring 24-inches (L) by 24-inches (W) by .47-inches (D) and each piece totaling 16-square feet, this product comes with a lifetime limited warranty. The NORSK Solid Color Recyclamat Multi-Purpose Foam Flooring recycled floor mats are perfect for use in day cares, play areas, anti-fatigue, workshops, fitness rooms, camping, construction/traffic areas, pools, yards, gardens.