Durable Material】: The Plate of standing desk: Solid wood particle pressing, E1 grade environmental wood without any industrial glue, and 0 formaldehyde release. Metal Frame: Utilizes heavy-duty and powder-coated metal materials, which ensures stability and durability. 【Adjustable & Movable & Lockable】: The height of rolling desk is adjustable, from 28-35.4 inch (71-90cm), to meet the different heights needs. Wheel design, moving anywhere as you wish. Lockable wheels, easy to keep it steady.