Dimensions: 15 in h x 12 in w x 6 in d 

The AdirOffice Steel Through-The-Door Mail/Drop Box is the most convenient solution for after-hour drop box applications like night drops, key drops, payment drops, interoffice mail and the like. Plus, it has a door mail slot that is wide enough to accommodate bigger objects than the average mailbox, such as letters, small parcels, checks, bills, payments and other similar items. Comes complete with mounting hardware for easy installation on doors.⁩