Multimedia projector cart offers an ideal height for multimedia and laptops. Height-adjustable pullout steel shelf holds 5 lb. so it is ideal for your laptop. The three other shelves (24-1/2″ x 18-1/2″) make storing material no problem. The top shelf holds up to 50 lb. and has a UL approved electrical assembly with surge protector. The middle shelf holds up to 15 lb. The bottom shelf holds up to 15 lb. 36 lb. projector cart is made of plastic and rolls easily on four swivel polyurethane casters (two locking).