CALHOME Bi-Fold barn door with sliding hardware kit contains everything needed to transform any doorway from a traditional door into a convenient, space-saving, and stylish sliding Bi-Fold door. Bifold doors are foldable doors made up of 2-pieces of door leaf's that can be folded when opened, maximizing the use of space. Compared to sliding doors and swing doors, Bi-Fold doors can open a wider space while saving 50% of floor space (swing-space), which makes them ideal for installation in areas with limited space, such as bedrooms, bathrooms, kitchens, and more.