"This black rolling writing desk mixes industrial and modern style into a compact, on-trend home office piece that's perfect for tight spaces. It features two independent desktop levels with an adjustable height mechanism that raises up to 40"" for ergonomic work, plus a movable riser to keep your laptop and notebooks within easy reach. The carbon fiber-like MDF tabletop and powder-coated metal frame give it a sturdy, sleek look, while front locking casters let you glide and lock the desk in place and integrated cup and headphone holders can be installed on either side. Measures 35? L x 23.5? W x 28? H assembled, supports up to 110 lbs, ships in one box, and is easy to assemble for fast setup."