Endless home organization possibilities start with the Organized Living freedomRail Big O-Box. Short for Big Organization Box, these modular cabinets and drawers are used to create an organized space in any area of your home. Big O-Boxes can hang side by side horizontally, or can be stacked vertically within any closet, pantry, linen or laundry space. Add Big O-Box doors to Big O-Box 1 Shelf units to customize your storage systems to fit your own unique needs. Hang from freedomRail rail and uprights sold separately. Can be adjusted to fit your changing needs.Constructed of durable, highly quality 5/8" furniture-grade melamine for a lifetime of use. Easy to install in just a few steps.Must be used with freedomRail rails and uprights sold separately.