Desk Foot Rest with 6 Six Height Adjustment: Our foot stool can be adjusted according to your height, office chair height, and desk height, allowing you to have an ergonomic sitting posture. The adjustable foot rest comes in six different heights (3.1", 3.9", 4.9", 5.7", 6.5", 7.3") to help you find your most comfortable sitting position. The height can be adjusted by rotating the screws on both sides of the footrest under the desk, which is easy to operate. | Ergonomic Footrest Under Desk: Using an ergonomically designed footrest under your desk is good for your body. The footrest can raise the center of gravity of the lower body, and with the support of the feet, keep the back straight without oppressing the thighs, thereby maintaining a comfy sitting posture. Regular use of an under-desk footstool can also help relieve back stress and pain, reduce fatigue caused by sitting for long periods, and help you feel more energetic every day. | Under Desk Foot Massager: Our feet rest for under desk features a small-particle massage surface and four massage rollers. While working, place your feet on the foot rests under your desk and roll the rollers. It can not only massage the soles of the feet but also promote blood circulation and completely relax the legs. | Durable and Sturdy Under Desk Foot Stool: The black office foot stools are made of high-quality materials Acrylonitrile Butadiene Styrene (ABS). The legs of the desk footrest have non-slip pads at the bottom to prevent slipping, allowing you to enjoy foot massage more easily. What’s more, the office footstool won’t deform or collapse like a memory foam pad, it's easier to clean than a memory foam pad. | Various Applicable Scenarios: The footrest under the desk is detachable, making it easier for you to carry out. You can enjoy the massage foot rest anywhere whether it is an airplane, office, home, travel, or computer gaming.