Includes (1) One Large Rust Sleeve and (1) One Large Black RetroFit door, save 15% on combination. Fits metal mailboxes measuring 8" wide and 10" height. The sleeve depth is 20 1/2". Please see individual products for more details on the Sleeve and Door. The RetroFit snap in door is not made to work on plastic mailboxes, please see FAQs for more details.