Through-the-Wall Mailbox, Steel, Combination Lock, Beige

Through the wall drop box keeps mail and small parcels secure with a combination lock and rainproof flap for all-weather, hands-free delivery. Built from heavy-duty steel with a rust-resistant powder coat, it’s designed for homes, offices, schools, and workplaces needing a tidy pass-through mailbox that reduces missed deliveries. Adjustable slides fit common wall thicknesses, while an internal anti-fishing baffle helps protect contents.

• Delivers secure drop-off with a 13-number combination lock—no keys to lose, code can be changed anytime


• Protects contents with a rain shield, drainage holes, and rubber pads to help keep mail dry


• Fits larger deliveries with a 9.8 × 1.6 in slot for envelopes, smartphones, and small packages


• Prevents theft attempts using internal metal baffles to reduce fishing through the slot


• Simplifies checks with a 2 × 4 in viewing window—see mail status without opening

Made for frequent deliveries and shared entryways, this through-wall mailbox combines clean installation with practical security. The spacious interior helps reduce overflow, while the durable steel body resists daily wear in high-traffic locations. Install it through compatible wall types using the adjustable slide design and included instructions, then set your combination for quick access without managing keys. Grab yours today to streamline deliveries and keep important items protected from weather and tampering.

• Color: Beige


• Material: Heavy-duty steel plate with powder-coated finish


• Overall size: 12.6 × 6.22 × 16.93 in (320 × 158 × 430 mm)


• Slot opening: 9.8 × 1.6 in (250 × 40 mm)


• Wall thickness range: 2.8–7.9 in (70–200 mm)


• Viewing window: 2 × 4 in (50 × 100 mm)


• Product weight: 13.45 lb (6.1 kg)