No worries when using this mailbox at home or in the office as you can lock this residential mailbox to prevent theft.This universal wall-mounted mailbox is easy to install. You can install and use this mailbox right away, and it works on any wall.Wall Mount Lockable Mailbox Outdoor Galvanized Metal Key Large Capacity Commercial Rural Home Decorative Office Business Parcel Box Packages Drop Slot Secure Lock Features:Brand new and high quality.durable and solid. Can be used for a very long time.This mailbox will help prevent your important mail from being destroyed, stolen or replaced.The mailbox features an elegant, contemporary design.Suitable capacity for storing envelopes, magazines, newspaper and more.Specification:Model Number:Iron Letter Holder RackStyle:Wall MountedType:Gardencolour:SilverMaterial:Aluminum alloysize:21.5*10.5*28.5cmPackage Contents:1*Post Box2*key2*Screws2*Expansion tubeOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.If you have any questions about this product, please contact us and we will try our best to solve the problem until you are satisfied.