Stanley partnered with Barbie on eight 40-ounce Quenchers inspired by the doll's 65th anniversary. Here's how to shop the tumblers, which are all available now.

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.

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.