 International Parcel Post service was replaced by First-class Mail International service for parcels up to four pounds.For heavier parcels and/or printed matter, Priority Mail International, Priority Mail International Flat-Rate, Express Mail International, Airmail M-Bags, and Global Express Guaranteed service is available to foreign countries allowing these types of mail delivery.USPS Domestic Parcel Post was an affordable method of sending large parcels of up to seventy pounds and a maximum combined length and girth of one hundred and thirty inches via ground transportation across the U.S.