Finally, a functional and economical way to protect your investment. A patented combination of recycled rubber and plastic, this revolutionary material is longer-lasting, more durable, yet resilient. When placed under exercise equipment, the 5/16" thick mats reduce noise, protect floors and equipment from damage, and reduce the accumulation of dust and debris, thus prolonging the life of your equipment. Textured surface also offers antislip protection. 5/16" thick.