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Rambler® 12 oz. Colster Slim Can Insulator


Our new Colster 12oz Slim Can Insulator design, ideal for keeping drinks icy cold while hanging out on the hottest days. Double-wall vacuum insulation and No Sweat™ Design keep your hands dry, and the updated Load-and-Lock™ Gasket only requires an easy quarter-turn to secure your drink in place. Your tall, slim cans now have a YETI® home in the new Rambler® Colster 12oz Slim Can Insulator.  It’s built for the boat, pool, camp, and any other adventures you take it on. Over the years, our tech and capabilities have evolved – and so have our favorited canned drinks. These days, we’ve got coffee in cans, hard seltzers in cans, good old-fashioned tall boys in cans, and craft brews in 16-ounce cans. So we now offer three sizes, because we don’t believe in warm beer…soda, seltzer, or craft brews.


  • Quarter turn gasket
  • No Sweat™ Design to keep your hands and belongings dry
  • Duracoat color that won’t chip
  • Double-wall vacuum insulated
  • Fits 12 oz. slim cans
  • Dishwasher Safe

Founded in 2006 with a simple mission: build the cooler we’d use every day if it existed. Today, YETI products perform when it matters most – whether that be an excursion into the remote Alaskan wilderness, chasing redfish on the Gulf coast, or just getting together with friends in the backyard.

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