Strongtek Ergonomic Under Desk Footrest, 3 Adjustable Heights Wooden, Natural ?Large Slip-Resistant Surface?Each wooden foot rest boasts a 9-inch rubber surface on top, providing easy grip and comfort for bare feet while ensuring a firm hold. ?Ergonomic Four Adjustable Angles?Experience optimal support when sitting or standing at the office with this ergonomic under desk footrest featuring four adjustable heights. The desk foot rest caters to your needs, helping to alleviate shoulder, back, and leg pain, reduce pressure on the spine and legs, improve sitting posture, and promote leg blood circulation. ?Safe Durable?Constructed from high-quality Lauan hardwood plywood sourced from plantation-grown timbers, this foot rest for under desk at work is sturdier and more durable than those made from ordinary plastic. Capable of supporting up to 400 lbs, each footrest comes with an anti-slip bottom to prevent slipping or sliding while rolling and tilting. ?Quick and Effortless Assembly?Assemble your under-desk foot stool swiftly in just 3-5 minutes. The package includes all necessary components and a straightforward guide, ensuring a hassle-free setup. Start enjoying the comfort and durability of your new footrest right away, without the need for extensive assembly or tools.