High-quality materials: Made of high-quality material, and rust-proof; this high-quality material makes our mailbox and long enough for daily use. Size: 290x410x130MM； Easy to install: Just hang the letter box on the screw or nail, you can install the wall quickly and easily, you can install it yourself. Security protection: This mailbox can be locked; The mailbox will protect your personal correspondence from theft and destruction. It also protects your mail from chewing by dogs or cats. Applicable scene: villa, outdoor, school, community, family, can be installed anywhere, convenient for your life