KINGLETING Metal Foot Rest Under Desk, Anti-Slip Leisure Footstool with Lift and Turn, Tilt Angle Adjustable Footrest with 5 Height Position for Office, Home When you sit in a chair for hours a day, do you feel a sore back and swollen legs?If we have to sit working and studying for a long time, will a correct sitting posture make us more comfortable? Honey, you need a footrest to achieve "freedom to sit in a chair." --Five adjustable heights, so you don't have to worry about the footrest being too high or too short.You can use it alone, or share it with your family and friends, and the footrest can be adjusted in height to meet the multi-crowd and multi-scene needs. --At the angle of 100 degrees, the tilt angle of the footrest is determined by you.Within 100 degrees, you can rotate freely to sit more comfortably in a chair; or you can sit, but your feet can move on the footrest to relieve fatigue.But you don't worry about the footrest sliding by itself. It will work well with your feet. --Metal material footrest. In terms of quality, the footrest are stronger and more durable than the plastic ones, which you can use for a long time without replacement. --An ergonomic footrest can improve sitting posture, and when your feet are supported, you will straighten your back naturally without pressing on your thighs.A good sitting posture can promote blood circulation in your legs.