Black Freestanding Locking Mail/Parcel Drop BoxAllux 800 Mail Parcel Box with REAR locking retrieval door. Do you need more room. Our parcel mailboxes can easily hold up to two weeks of mail. Made of strong, galvanized steel it has a letter parcel flap with soft closing mechanism: elegant and silent. Mailbox is fitted with a Ruko Lock and features a rear locking retrieval door. Parcel opening: 4 1 2 in. x 11 7 8 in. x 13 in. Made of steel construction Rear retrieval door fitted with a ruko lock