“The reusable red cup giveaway is available however you order, whether ordering in the Starbucks store, in the drive-thru, on the Starbucks app using the order ahead and pay feature, or through Starbucks delivery (available through Uber Eats, Door Dash and GrubHub apps),” Starbucks said.

"Red Cup Day," a favorite Starbucks holiday tradition that offers customers free reusable cups, takes place this week -- but there's a catch.