Sturdy, watertight mailboxes from Grainger can help you sort incoming mail at the workplace. Choose from brass, steel or aluminum construction and options ranging from a 35-door vertical letterbox, a door mail slot with a spring-loaded flap or a wall mount mailbox. A locking mailbox can protect mail from theft and vandalism and shield classified documents from those not authorized to read it. Shop the huge inventory of mailboxes at Grainger to help ensure the security of your mail.
