Sliding flipper door cabinets are a versatile storage solution for storing letter and legal side tab files and notebook binders in less floor space. Individual cabinet doors flip up and retract into the cabinet when open, and come with a gang lock that locks all the cabinet doors at the same time. To maximize space, these flipper door cabinets also mount on rolling carriages that slide sideways on tracks in front of stationary cabinets. These modular systems allow cabinets to be added when your storage grows..