This Offex 45"H Heavy-Duty AV Cart offers three sturdy shelves that can support up to 300 lbs. As well as a pullout tray ideal for a keyboard, laptop, or projector. The 2" thick shelves are made from molded plastic that won't stain, scratch, dent, or rust and feature a .25 "retaining lip and a set of grip pads to secure items in place. Four 4" heavy-duty casters, two with locking brake, make this mobile cart easy to maneuver or stabilize, and an ergonomic handle molded into the top shelf with integrated three-outlet UL-Listed electrical assembly offers convenient access to power. Includes three flat shelves and an adjustable keyboard shelf. Ergonomic push handle molded into top shelf for easy maneuverability.