· Galvanized Material: the material of mailboxes' cover is stainless steel. It is characterized by sturdy and unyielding to rust · Large Capacity: the size of upper storage part is 11 4/5" x 9" x 3 1/2", it can fit magazines, padded envelopes and so on; Newspaper compartment is 4 1/3" x 4" x13" · Sturdy Lock: decaller mailbox has sturdy key lock with 2 key for security, it can prevent mails theft · Details Design: The small drain hole on the bottom can help in heavy rain, transparent cover make you know mails status in time · Detailed instructions: the package includes a detailed instructions for convenient installation