Advantus Folding Mobile File Cart Lightweight cart folds open to create a roomy option for storing and transporting files with the included file tote. Holds legal or letter size hanging files (not included). Folds flat to the size of a briefcase for convenient storage when not in use. Lower shelf accommodates additional supplies. Smooth-rolling casters for easy mobility. Color: Black/Clear; Color Family: Black; Caster/Glide/Wheel: Four Swivel Casters; Material(s): Plastic. Manufacturer s limited 90-day warranty.