The MPCB-100 Multi-Chambered Mail and Parcel Box by Barska is the perfect solution to ensure documents and packages are safely kept until retrieved by an authorized user with key access. The steel drop slot makes dropping small envelopes or slim packages into the lock box safe and simple for any home or business. The push button lock for the parcel doors gives easy access for the delivery driver. In addition, the U.S. patented adjustable parcel shelf is retractable 3-5 inches to accommodate larger packages and once push-locked will keep the contents of the parcel box secure until your arrival. MPCB-100 Multi-Chambered Mail and Parcel Box by Barska has pre-drilled anchor holes and including mounting hardware for quick installation in concrete or wood surfaces. The safe's exterior is constructed of 0.8mm solid steel and finished with a black coating. This Mail & Parcel box is ideal for any home and business.