Product parameterProduct name: Wall-mounted lock mailboxMaterial: cast aluminum for upper part and door panel + 08 galvanized sheet for othersProcess: Die-casting + rice gold + plastic sprayingDelivery Port Size: 24×4CMEffective Inner Diameter: height 35×width 28×thickness 10.8cm / 13.8×11×4.2InMaximum Outer Diameter: height 41×width 29×thickness 13cm / 16×11.4×5.1InPacking List:Mailbox×1Plastic expansion tube×3Screw×3Rubber pad X3Key×2The simple style and design of the wall-mounted mailbox is inspired by the feeling of comfortable life. The wall-mounted mailbox is a perfect combination of nature and metal color craftsmanship. It has a large capacity and can hold several days of mail. The mailbox with lock is made of high-quality galvanized steel., With high strength and durability, weatherproof, can fully protect the mail.hint:1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks!2. Please avoid 1-3cm measurement deviation caused by manual measurement.