Safco AlphaBetter is an adjustable-height stand-up student desk with swinging footrest (fidget bar). Patented Swinging Pendulum footrest bar allows students to redirect excess energy and engage in continuous motion that may help support ergonomic comfort and cardiovascular health, while potentially increasing calorie burn, productivity, and focus. The desk features adjustable nylon base levelers for stabilization and easy movement across smooth and carpeted floors. Phenolic resin open shelf provides easily accessible storage area for school supplies and personal items. Adjustable stand-up student desk offers a large work surface for big projects. Made with premium, durable, industrial-grade phenolic resin, features laminated plastic desktop and steel base with black powder-coated finish for durability. Adjustable height ranging from to 42. 25". Dimensions: 43. 88"H x 27. 75"W x 22. 19"D. Weight capacity: 50 lbs. Meets or exceeds GSA, CPSIA, GREENGUARD standards. Assembly required. Premium dry-erase top for students to work on projects or solve problems. Patented Swinging Pendulum footrest bar allows students to redirect excess energy and engage in continuous motion that may help support ergonomic comfort and cardiovascular health. Includes steel book box (4. 75"H x 22"W x 15"D) for storing classroom materials. Adjustable nylon base levelers for stabilization and easy movement across smooth and carpeted floors. Phenolic resin open shelf provides easily accessible storage area for school supplies and personal items. Lifetime manufacturer limited warranty; 5-year warranty on polymer-based components, user-adjustable work surface mechanisms, components that are either moving parts or controls.