Wall-Mounted Mailbox: This wall mount mailbox is mainly used to store family mails or letters. Also work great as a secure drop box, deposit box, donation box, ballot box or even suggestion box. Ideal for homes, offices, schools, convenience stores, etc. High Security: No unauthorized access! Equipped with a simple but safe metal lock, the locking mailbox can only be opened with the keys provided. Always keep your contents securely stored to ensure their security and confidentiality Reliable Construction: Solidly constructed with 0.8 mm thick steel plate, the safe key drop box is robust and unlikely to be pried open to avoid forced entry. And the easy-to-open protective flap can effectively block splashing water or droplets, always keeping the inside items dry and intact Ultra-large Capacity: Outer size: 10.3" L x 3.35" W x 13.8" H. Truly practical design with large storage space! Perfect for accommodating multiple letters, mails, newspapers, cash, documents, donations or ballots Convenient Design: Feature a super large opening on top of the front! Easily drop items without unlocking the box. And the front clear window allows you to quickly see if there are any mails inside. Really time-saving for a busy bee