The U.S. Postal Service is launching a set of four "SpongeBob SquarePants" stamps on Aug. 1. A sheet of 16 stamps will be $16.

The stamps are Forever Stamps, meaning they are not associated with a price and can be used forever. "SpongeBob SquarePants," created by Stephen Hillenburg, debuted in 1999.

How much will new price of stamps be? Forever Stamp price could rise from 73 cents to 78 cents, the USPS reported. Over 70,000 BMW vehicles recalled: See impacted models ...

What Happens Next The USPS will officially release the "250 Years of Delivering stamps" and the prestige booklet on July 23 at its Washington, D.C. headquarters. The ceremony is free and open to ...