Priority Mail is used for ____. 

A. any item that weighs between 11 oz and 70 lbs
B. guaranteed next-day delivery
C. most medical office correspondence
D. mail going to foreign countries
E. mailing books and catalogs

A. any item that weighs between 11 oz and 70 lbs
Priority Mail can be used for first-class items that weigh between 11 ounces and 70 pounds.