Gibraltar Mailboxes Patriot Medium Capacity Rust-Proof Plastic Black, Post-Mount Mailbox, GMB505B01 Medium capacity fits small boxes, magazines, and padded envelopes Rust-Proof plastic construction is highly durable providing strength and stability Installs easily on the GMB115B and the cedar DPK00000 post with the GMB225B mounting board Mailbox comes with a 5 year limited warranty Made in the USA