Through-The-Door Key Drop Box, Steel Combo Lock, Black

Through the door key drop box keeps mail, keys, and small parcels secure with a 12-digit combination lock and anti-fishing baffles. The rainproof front flap plus drainage holes help protect contents from wet weather, while the heavy-duty steel body with powder-coated, scratch-resistant finish is built for daily use. A wide slot accepts envelopes and small deliveries, and the clear viewing window lets you check arrivals fast without opening the box.

• Delivers added security with combination lock and internal metal baffles to deter theft and “fishing”.


• Protects contents with rainproof flap, rubber pads, and drainage holes to reduce moisture buildup.


• Fits everyday drop-offs with a 1.9 × 10.2 in slot for envelopes, phones, and small parcels.


• Lets you check mail fast via a 2 × 4 in visual window—no need to open the box.


• Installs easily on doors up to 1.7 in thick with included instructions for quick setup.

Designed for busy homes, offices, schools, and workplaces, this locking mail drop box helps keep deliveries organized and out of reach. The spacious interior supports regular drop-offs, while the tough steel construction stands up to frequent use in high-traffic entryways. Set your own combination, change it anytime, and avoid the hassle of misplaced keys. If you need a secure through-door solution for mail and small items, grab yours today.

• Color: Black


• Main material: Heavy-duty steel plate (powder-coated, rust-resistant)


• Product size: 12 × 6.1 × 14.1 in (305 × 155 × 360 mm)


• Input slot size: 1.9 × 10.2 in (48 × 258 mm)


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


• Door thickness compatibility: up to 1.7 in (43 mm)


• Product weight: 8.69 lb (3.94 kg)


• Lock type: Combination lock