6 Height Settings: accommodate most users Squeeze Handle: adjusts the height in a snap Helical Spring: maintenance-free rugged construction for good durability Anti-Skid EVA Pads prevent scratches or scuffs Quality MDF Board: features high impact resistance (TSCA Title VI compliant) Ultra-Slim Profile: minimizes bulk for space-saving storage and maximizes comfort at its lowest height setting High-Strength Steel Frame: better durability to weight and wear Manufactured using quality MDF board with a scratch and water resistant PVC laminate surface. A smooth operating steel frame and height mechanism provide years of use and enjoyment. It features 6 height adjustments that fits most sized users. Simply squeeze the single handle to release and lock the lifting mechanism. When fully folded, the EZUP2619 nearly melts into the desktop, offering a mere 45 mm (1.8?) profile to the desk surface. Best of all, designs of foldable and portable allowing the user to take the benefits of sit-stand activity anytime anyplace. The EZUP2619 offers the budget-conscious buyer the best choice for creating a healthy active work style.