Made of high-density, closed-cell foam. Lightweight, durable 2-sided mat. Ribbed on one side, smooth on the other. Self-grip straps keep mat rolled to carry or store. Clean with warm, soapy water, soft cloth. No assembly required. Mat easily unrolls to 72L x 24W inches. Manufacturer's warranty included (see product guarantee). About ValeoValeo - which means to be well in Latin, is a Wisconsin-based company that develops products of uncompromising quality and value to both personal fitness consumers and workplace safety officials. The company was started in 1988, introducing its original Classic Belt, and continues to provide an extensive line of fitness accessories for use at home or the gym.