Best Seller. Guardian Rubber Floor Mats provide the highest quality flooring available for commercial, institutional, educational, or home workout centers. The standardized sizing (4 X 6 feet) allows you to cover any floor area easily, because the mats are designed to provide a seamless fit, no matter how many are used to cover a room. Mats are slip-resistant, which is both a comfort and safety factor for your clients. Athletes will be able to maintain a sure footing even if the rubber mats become wet from sweat or water spilled from water bottles. In addition, this rubber flooring is naturally impact-resistant , which makes it perfect for aerobics, gymnastics, martial arts, or yoga classes.