Your next Starbucks cup of Joe may come with an extra jolt – if you add some ice.

The gourmet coffee and tea giant is reportedly trying out its newest creation: coffee ice cubes. They can be found in about 100 stores.

According to Cosmopolitan magazine, customers can add the ice – made from Starbucks coffee – to any iced espresso or brewed beverage for 80 cents.

Right now, the coffee ice is only set to available for a limited time.