FUN FACTS postcard set of 20. Post card variety pack with trivia and fun fact theme postcards. Made in USA. This set contains 20 postcards, 1 of each design. Size 4 x 6 inches (10 x 15 cm). Glossy UV coating on front for durability and protection. Our Ideal for collectors, Postcrossing, scrapbooking, school postcard exchange projects, gifts, or just Will mail with USPS postcard rate stamp domestically, or with international forever stamp if mailed Printed in USA.