Radius Design | Letterman 4 Mailbox in Black The German designed Letterman 4 Mailbox comes with a solid front, for a clean, modern look. It is extremely practical; the 12.8" x 1.4" opening can accommodate c4 envelopes. Letterman mailboxes come standard with a lock located under the mail flap, to maintain the smooth, clean exterior appearance. Made in Germany: The Letterman 4 is a worldwide bestseller and its design is inspired by architecture and art. This is a modern classic that you will enjoy for many years! Mailbox: 15.7" x 13.4" x 4.5" Mail slot: 1 1/2” height x 12 3/4” width Design: Michael Rösing Materials: stainless steel or powder-coated steel Lockable *This item is in excellent condition. It was ordered for a project and never used. The box has been opened only to inspect.*