Haller Cart Haller Cart is a Cart designed and produced by the USM Brand. This trolley combines elegance and practicality. With a simple and linear design, equipped with a practical handle and swivel wheels and with a locking system, the Haller trolley will be ideal for living or contract environments, and will immediately be the protagonist of any environment thanks to its timeless style. Haller Cart is the perfect tool to create a modern, clean look in any space. The robust handle and swivel wheels provide increased maneuverability while the unique locking system ensures secure transport. With its sleek aesthetic, USM's Haller Cart is the perfect combination of style, practicality, and reliability.