The Barska Large Multi-Purpose Drop Box has been designed to provide a secure way of locking up important items such as suggestion slips, ballots, mail, documents, keys, money, and more. The top slot of the Multi-Purpose Drop Box accepts items up to 10 in. in width, and can be mounted directly to a wall using the included mounting hardware. This drop box features a key lock design and comes with 2 keys. Backed by a 1 year limited warranty.