Best Step interlocking floor mats can be used to protect hardwood, tile or concrete in places that are frequently exposed to moisture. These areas include garages, laundry rooms, gyms and utility rooms. These flooring tiles are water resistant and antimicrobial, which makes them resilient against bacteria or mold buildup. Also, the mats feature anti-fatigue soft EVA (Ethylene Vinyl Acetate) foam that makes them great for exercise uses which include yoga, gymnastics, martial arts, etc.