Winfield ParcelSentry locking top loading freestanding parcel mailbox features a curved soft closing lid which covers incoming parcel drop opening. Lid is raised up and a steel plate lifts inside with lid, then parcel is placed though top and drops into locking compartment when lid is closed keeping contents safe from unwanted hands. Build from thick heavy gauge galvanized steel, parcel box has a tough black powder coat finish. Locking retrieval door is fitted with a butterfly lock and comes with a set of keys. Maximum parcel size: 12″ x 12″ x 5-1/2″.