Ergotron StyleView Laptop Cart - 18 lb (8164.66 g) Capacity - 4 Casters - Aluminum, Plastic, Zinc Plated Steel - 18.3" (464.82 mm) Width x 50.5" (1282.70 mm) Height - White, Gray, Polished Aluminum - 17.3" (439.42 mm) Screen Supported