M-bags are defined as direct sacks of printed matter (see 261.22) sent to a single foreign addressee at a single address. There are three types of M–bags: Airmail M-bags, International Priority Airmail (IPA) M-bags, and International Surface Air Lift (ISAL) M-bags. All M-bags are subject to the following conditions of mailing:

Using Airmail M-Bags is an affordable way to send large amounts of printed material to a single recipient internationally. You can send newspapers, magazines, journals, books, sheet music, catalogs, directories, commercial advertising, and promotional matter.

For First-Class Mail International retail postcard, letter, large envelope, and package dimensions, see page 39.

Each Airmail M-bag that weighs 11 pounds or less is charged the applicable 11-pound price; a bag that exceeds 11 pounds is charged the applicable 11-pound price and the applicable per-pound price for each additional pound or fraction of a pound over 11 pounds.

Airmail (or air mail) is a mail transport service branded and sold on the basis of at least one leg of its journey being by air. Airmail items typically arrive more quickly than surface mail, and usually cost more to send.

An Airmail M-Bag should be used if you are sending a large quantity of books or any other type of printed matter to a single destination. Delivery Time: These bags are shipped by air mail.

International Priority Airmail (IPA) service, including IPA M-bags, is a commercial service designed for volume mailings of all First-Class Mail International postcards, letters, and large envelopes (flats), and for volume mailings of First-Class …

M-bags are direct sacks of printed matter sent to one addressee and priced based on the weight of the bag and contents. M-bags travel by air transportation. Additional information regarding M-bags can be found in IMM 260.

Dec 18, 2023 · Would love some feedback from people who have used M-Bags to send books internationally. Is the cost worth it? Not sure how safe they are, and if you are allowed to wrap them in bubble wrap?

A mail bag or mailbag can be one of several types of bags used for collecting or carrying different types of postal material. [1][2] ^ Marsh, Allison (March 2006). "Prototype Mail Pouch". Former Object of the Month. National Postal Museum, Smithsonian Institution. Archived from the original on November 17, 2011. Retrieved August 15, 2012.