WASHINGTON (CBSDFW.COM/AP) — Letter writers will soon be able to express their sentiments in words and smells.

The U.S. Postal Service announced Monday that it will soon issue its first scratch-and-sniff stamps. The stamps feature illustrations of ice pops. The agency says the stamps will “add the sweet scent of summer” to letters.

The 20 stamps depict watercolor illustrations of frosty, colorful, icy pops on a stick by California artist Margaret Berg. Each of the 10 stamp designs includes two different treats. The words “FOREVER” and “USA” appear along the bottom of each stamp.

The stamps will be issued on June 20 at the Thinkery Museum — a children’s museum in Austin. that promotes itself as a place where innovative learning experiences “equip and inspire the next generation of creative problem solvers.”

(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)