Painted Composite MDF Sliding Door with Pocket Door Frame and Hardware KitCALHOME Pocket Door and frame with hardware kit contains everything needed to transform any doorway from a traditional door into a pocket door. A pocket door is a door that you can hide when you don't need it. It slides inside the wall and disappears when open. A pocket door differs from other sliding doors or barn doors, which remain visible all the time. Pocket doors work well in spaces where clearance is a concern. If you have a narrow hallway that