Feature●This scratch resistant Red powder coated steel mailbox is also weatherproof●Large mailbox size: 14.5 inch w x 14.5 inch H x 5.5 inch D will hold several days of mail●Heavy duty lock with 2 keys adds security●Incoming mail slot opening is 11.375 inch long and 1.125” wide and will fit most envelopes and magazines but keep unwanted hand out●Mounting hardware not included. If mounting to a masonry wall, use masonry mounting screws with masonry anchors (at least 1-1/2 inch long)Description Winfield ridgeline locking wall mount mailbox features a decorative curved roof. Made of tough powder coated galvanized steel, this mailbox is weatherproof keeping contents dry and comes with a lock and set of keys. Incoming mail slot opening: 10-3/8" x 1-1/8". mounting hardware not included. If mounting to a masonry wall, use masonry mounting screws with masonry anchors (at least 1-1/2 inch long).