Mail Boss Mail Manager C3 Locking Post Mount Mailbox Provides ultimate mail security, and keeps you safe from mail identity theft. An exclusive patented anti-pry latch locking mechanism prevents leveraged entry. Features 14-gauge to 16-gauge electrogalvanized welded steel, high security lock, 3 keys, and package bin mailer. Full service, large capacity curbside locking security mailbox. Locking access door with commercial grade high security wafer lock. U.S. Post Master Approved. Durable powder-coated finish. 1.9 H incoming mail slot accepts a box of checks. Limited lifetime warranty. Dimensions 21 D x 12 H x 10.6 W. Black. Color Black, Material Steel, Lockable Yes, Width 10-3/5 In., Depth 21 In., Height 12 In., Capacity Extra Large, Weight 26 Lb., Warranty Limited Lifetime, U S Postmaster General Approved Yes, Access Front Only, Pkg Qty 1, Package Type Box