Covers a total of 24 sq. ft Easy to install - rolls fit together perfectly and lie flat without curling Non-porous, 100% vulcanized rubber mats have slightly textured non-slip surfaces Excellent for use under workout equipment, such as treadmills, stationery bikes, and weight-lifting machines Commercial grade, indestructible 3/8" rubber with a 5 year warranty Rubber Roll Floor Matting is heavy-duty rubber flooring that helps protect floors from heavy weights and constant impact of machinery and exercise equipment.Tiles are the "original" composition rubber fitness floors. These durable rolls set the standard for performance, quality, and affordability.