The casters make it easy to move around. Slot for label on each drawer so you can easily keep things organized and find what you are looking for. Drawer stops prevent the drawer from being pulled out too far. Designer IKEA of Sweden The drawer holds letter size papers. Steel, Epoxy/polyester powder coating Wipe clean using a damp cloth and a mild cleaner. Wipe dry with a clean cloth. For increased stability, re-tighten the screws about two weeks after assembly and when necessary. This storage unit has been developed and tested for domestic use and meets the requirements for safety, durability and stability set forth in the following standard: EN 14749. Assembly instructions HELMER Drawer unit on casters 305.627.15