1 Each. Increase your comfort level by increasing circulation in your legs and feet. You need not remain stationary while you're stationed. The Foot Rocker Footrest rocking action encourages leg movement, promotes circulation and muscle stimulation. Unique rock-and-stop design provides subtle position stops. Smaller footprint takes up less space under desk. Footrest also features anti-skid feet and is made of medium-density fiberboard covered in vinyl.