Multiple functions: The ergonomic under desk footrest is an excellent tool to elevate your feet to a comfortable position thus can effectively prevent computer-work and posture-related RSIs. Besides, it can prevent numbness aches fatigue and stiffness by moving more. Great Support: The base of desk foot rest is thickened and can support up to 400lbs. It will not easily get cracked like the plastic ones. In addition, it is nailed on rubber strips, which is not only anti-slipping but also prevents scratching your floor. Ideal for Desks: The foot rest is suitable for both sitting and standing desks. An ergonomic footrest is recommended when a chair is too high for you to reach the floor. People often discover they need one after going through the process of setting their chair to the correct height.