First Class Mail Letter International. Track your usps first class letter mail, flat mail, and bubble mailers for as little as $.18 per mailpiece.simply enter the recipients address or import a list of names and addresses from a file. First class mail is considered the top tier of mail in comparison to:
(4 lb.) and up to $400 in value. Rates for sending an item with usps’s first class package international service for parcels start at $6.55. This class of service includes small packages weighing up to 1.8 kilograms or 4 pounds.
There are different weight limits for different groups, but in general, the first class international mail maximums are 3.5 ounces for letters, 15.994 ounces for flats and 4 pounds for parcels.
What is first class mail? See delivery times and how much postage or how many global forever stamps you need for a letter or postcard. Letters and postcards are priced from $1.20 for all countries, from $2.40 for flats from all countries and from $12.25 for parcels, priced by weight and destination. This class of service includes small packages weighing up to 1.8 kilograms or 4 pounds.