Postal Explorer > Mailing Standards of the United States Postal Service, International Mail Manual > 2 Conditions for Mailing > 270 Free Matter for the Blind > 273 Postage Prices and Fees
Postage is provided at no charge for Free Matter for the Blind items only for the following classes of mail and products:
The sender must pay the applicable total postage based on the weight and destination price group of the article when sending eligible free matter as a Priority Mail International parcel weighing more than 15 pounds.
The sender must pay the applicable fees for Registered Mail or insured services (see 272.6).