1. Foot Rest with 6 Heights Adjustable Function-This foot rest for under desk at work can be adjusted according to your height, table height, and chair height, so that you have a comfortable sitting position. There are six different heights (3.5inch, 4.3inch, 5.1inch, 5.9inch, 6.7inch, 7.5inch) of the under desk footrest to help you find the most comfy position. The height can be adjusted by turning the screws on both sides of the desk foot rest, which is easy to operate. 2. An Ergonomic Foot Stool Under Desk-It is beneficial to your body to use an ergonomically designed foot rest under desk. A footrest will raise your center of gravity of your lower body, and with the support of your feet, keep your back straight and not press on your thighs, so you can maintain a good sitting position. Regular use of the footrest for under desk can also help relieve back stress and pain, reduce fatigue from sitting, and make your day more energetic. 3. Massage Under Desk Foot Rest for Office- This ergonomic foot rest under desk comes with a large area of small particle massage surfaces and four large massage rollers. At work, put your feet on a under desk foot rest and roll the roller. This will not only massage the sole of your feet, but also promote blood circulation and let your leg relax completely. Small particle massage surfaces can be alternated with massage rollers to meet your needs. 4. & Sturdy Office Foot Rest Under Desk-These black office footrests are made of premium material that make under desk foot stool more stable and durable. The four legs of the desk foot stool have non-slip pads at the bottom of the legs, which won't slip, making it easier for you to enjoy foot massage. And, office foot rest will not warp or collapse like memory foam pads, and it is easier to clean than memory foam pads. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.