FILE - A Starbucks frappuccino in a plastic cup. (Shutterstock) Some, meanwhile, took issue with the fact that the cup resembles those for hot drinks, making them difficult to differentiate.

Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013. The company estimates the new cups will keep more than 13.5 million pounds of ...

"It's the best expression of a cold plastic cup."Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013.

Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013. The company estimates the new cups will keep more than 13.5 million pounds of ...

The new cups will also keep more than 13.5 million pounds of plastic from landfills each year, according to the company. RELATED: Starbucks now lets US customers use their own personal cups for orders ...

Starbucks is introducing a cold drink cup made with up to 20% less plastic The company estimates the new cups will keep more than 13.5 million pounds of plastic out of landfills each year.

"It's the best expression of a cold plastic cup."Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013.

"It's the best expression of a cold plastic cup."Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013.

Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013. The company estimates the new cups will keep more than 13.5 million pounds of ...

Booming sales of cold drinks at Starbucks has created a problem: growing amounts of plastic waste from the single-use cups that Frappuccinos, Refreshers, cold brews and other iced drinks are ...