The Barska 0.81 cu. ft. Keyed Lock Desktop Drop Box has been designed to provide a secure method of delivering important documents and then keeping these items protected until an authorized user can retrieve them. This lock box is perfect for any office environment where sensitive documents are routinely delivered to management and employees. The drop slot of the safe lock box measures 13 in. W and can accommodate most large-sized envelopes. The key lock box has a spring-loaded deposit slot door for easy access to the contents inside. Backed by a 1 year limited warranty.