This black heavy duty cart holds items securely. The 3 shelf 18" x 24" (L x W) unit is constructed with a 2 3/4" lip on all four sides. This heavy duty cart supports up to 300 pounds of weight for maximum usage. There is a 12" shelf clearance for easy loading and unloading. The 4" diameter swivel casters allow for smooth maneuverability. This unit has a lifetime guarantee.