USPS Specs

“Customers who need to mail packages with postage stamps that are larger than one-half inch thick or heavier than 10 ounces must conduct the transaction in

A letter box, letterbox, letter plate, letter hole, mail slot or mailbox is a receptacle for receiving incoming mail at a private residence or business

usps mail slot Per the USPS requirements, mail slot openings must be at least 1 ½ inches x 7 inches, and 30 inches above the floor Horizontal mail slots

slot art festival Mail Express® items, lobby drop-off slots, or office building mail chutes Pickup times are posted on the box label National Retailer A National Retailer