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.

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.

Stanley’s new collaboration with Barbie includes limited-edition tumblers in prints inspired by iconic outfits worn by the Mattel dolls. Here's how to shop!

Barbie and Stanley have collaborated in honor of Barbie’s 65th Anniversary with eight new Barbie-themed Stanley Quencher tumblers, but only limited quantities are available. Today’s drop includes the release of the Barbie x Stanley ‘70s Superstar and ‘80s Dynamite 40-ounce Quenchers now available for purchase.