How does the USPS deliver large packages to homes with a mail slot?

How does the USPS deliver large packages to homes with a mail slot? large mail slot This large mail slot works great for magazines and newspapers 3-58 x 13-18 Solid brass available in the finishes below Large Brass Mail Slot MS211 large slot car track Shop Wayfair for the best vertical mail slot Enjoy Free Shipping on most stuff, even big stuff

large slot car track Come along as I show you step by step how to cut out and install a mail slot in a garage door or

large slot cars Large Mail Slots are designed to be installed in 14 inch glazed metal entrance doors on commercial and industrial buildings  slots, or office building mail chutes Pickup times are posted on the box A few kiosks are in large shopping malls Most kiosks are in Post Office