IMAGE DISTRIBUTED FOR WAG! - Patient pets wait for some delicious ice cream to help them cool off on a hot day, Tuesday, August 7, 2018 in Washington. (Larry French/AP Images for Wag!)

IMAGE DISTRIBUTED FOR WAG! - This happy dog gives some kisses after enjoying some dog-friendly ice cream on his walk to cool off, Tuesday, August 7, 2018 in Washington. (Larry French/AP Images for Wag!)

IMAGE DISTRIBUTED FOR WAG! - Instagram sensation, Izzy the Chow, stays cool by chowing down on some dog-friendly ice cream at the Navy Yards in Washington, Tuesday, August 7, 2018. (Larry French/AP Images for Wag!)

IMAGE DISTRIBUTED FOR WAG! - We all scream for ice cream as pets enjoy a cool treat thanks to Wag!, Tuesday, August 7, 2018 in Washington. (Larry French/AP Images for Wag!)