SURFACE MATERIALS: The laptop desk is made of heavy-duty MDF wood panels with a moisture-resistant PVC laminate veneer in a colored finish that increases its durability and looking HEIGHT ADJUSTABLE FRAME: The height-adjustable laptop table has a durable powder-coated steel frame design that increases its stability for intense working. Height is adjustable from 28 to 43-inch with dual adjustment knobs NON MARKING CASTERS: The rolling cart has easy-rolling double-wheel locking casters that are nonmarking and can provide agility and freedom to move comfortably for the working requirement SAFETY EDGE: The laptop cart includes a back panel safety edge metal tube. This stopper prevents the laptop from falling from sliding off when the panel is tilted STORAGE: This laptop storage cart perfect for home offices and small offices. It features an open storage compartment, accessory shelf. The tabletop, accessory, and bottom shelves each have a 22lbs weight capacity