Hidden Casters - Equipped with 4 360° silent swivel casters that allow you to move easily without making any noise that might wake your sleeping loved ones. The base height (with wheels) is only 4cm, so it can install under most sofas or beds. Infinite Table Positions And Large Surface: The size of 80 x 40 cm offers you plenty of space for your laptop and accessories or a few dishes, Light upward touch on spring-loaded locking handle allows the over bed table to be raised or lowered to any height between 66-89.5 cm,. Walnut wood-grained laminated top with flush-mounted T-molded edge design. Improved Durability & Reliability - Heavy-gauge, CHROME-plated (not silver plated) welded tubular STEEL construction on a H-style base with 4'' swivel casters. Waterproof coating resists scratches and water soaking,Provides long lasting stability and easy maneuverability.