Columbia Locking Security Mailbox $199.95 (plus shipping) Dimensions: 15 1/2” H x 10 1/4” W x 21” D Incoming mail slot: 2 1/8” H x 10 1/8”W Top and sides: 18 gauge Bottom pan: 16 gauge Door: 12 gauge. Made in the USA from powder coated galvanized steel. Works well in both residential and commercial settings. USPS approved. Oversize incoming mail slot accepts larger items: a box of checks, catalogs, Priority Mail envelopes. Convenient non-locking outgoing mail shelf, roomy interior and high-quality lock. Also available with an optional weather-guard door for use in extreme climate conditions. Address numbers are not included, but are available by clicking HERE. You can also mount this mailbox to a standard wooden post with the optional Mounting Adapter. Please indicate your choice of color: White Mallard Green Black Stone Grey Juniper Green Taupe (pictured) Optional Weather-guard Door - $20.00 Quantity: We gladly accept Copyright 2020. All Rights Reserved.