(CNN) - What's that smell? The United States Postal Service releases scratch-and-sniff postage
What does summer smell like?
Freshly cut grass? Watermelon? Lemonade?
How about popsicles?
The U.S. postal service is releasing scratch-and-sniff postage today of these favorite summer treats.
These "Frozen Treats Forever Stamps" are sugar-scented.
They have 10 different watercolor illustrations by artists Antonio Alcalá and Leslie Badani.
The stamps are sold in a book of 20 stamps.
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