Huanuo Foot Rest Under Desk, Adjustable Ergonomic Footrest For Under Desk, Home Ergonomic Office Foot Rest : This footrest elevates your legs to help you sit up straight for proper positioning of ankles, knees, waist, and back. The ergonomic under desk footrest enhances your posture for more comfort during your workday. Rock with Ease: The foot rest is upgraded with a separated left and right leg design that features +/-20 tilt range for smooth rocking. The ergonomic footrest can also be fixed at a comfortable angle without rocking back and forth. Textured Massage Rollers: The under desk foot stool has convex massage texture for a pleasing foot feel. The middle of the under desk footrest is equipped with massage rollers for an additional comforting effect. 3 Height Settings: Customize the adjustable under desk footrest according to your height and chair type. 3 height settings include 3.9?, 5?, and 6? positions for adjustability. No Assembly Required: The office chair footrest comes preassembled so you can enjoy it right out of the box. Each foot is equipped with a non-slip pad for stability on your flooring.