Two modern-day icons have teamed up for the drinkware collab of back-to-school season: Barbie and Stanley. Stanley is dropping new limited edition Barbie Quenchers in 40-ounce sizes every day this week.

A breakdown of the Barbie x Stanley collection rollout from Sept. 16 through Sept. 20, and how to purchase the viral 40-ounce Quencher cups online.

Western Ken 40-ounce Quencher is $60 and is the last tumbler of the collection to drop. Check out all the Barbie tumblers and buy today.