· Stainless Steel: the material of mailboxes is stainless steel. It is characterized by sturdy and unyielding to rust · Large Capacity: the size of mailbox is 15.4" x 12"x 4.8" , it fits small boxes, magazines, padded envelopes and so on · Sturdy Lock: decaller mailbox has sturdy key lock with 2 key for security, it can prevent mails theft · Details Design: inclined cover on the top is waterproof, transparent cover make you know mails status in time · Detailed instructions: the package includes a detailed instructions for convenient installation