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YETI Rambler 12 oz. Colster Slim Can Insulator Review

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By Best Choice team
Checked icon Last updated - March 31, 2026
9.4

Verdict overview

  • lasts a long time 9.4
  • worth the money 9.1
  • Giftable 9.4
  • Easy to grip 9.8
Pros
  • Cold drinks: double wall vacuum insulation
  • Secure seal: Load Lock gasket
  • Built to last: thick gauge steel, no cracking/chipping
Cons
  • Possibility of not working optimally.

Tech specs

item volume12 Fluid Ounces
product dimensions2.72W x 6.19H
colorBlack
item weight11.3 ounces
size1 EA
materialSteel
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Product Overview

I recently got the chance to review the YETI Rambler 12 oz. Colster Slim Can Insulator, and Im very pleased with my experience. This product is made from thick gauge steel and is insulated with a double wall vacuum so your beverages stay cold for longer. It also features a Load and Lock gasket that only requires a simple quarter turn to seal the deal, ensuring that your drink stays securely inside.

The Colster is suitable for 12 oz slim cans, spiked seltzers, canned vino, cabin weekends and beach days. It comes in a range of colors so theres something to suit everyones tastes. The Duracoat color is built for the wild, meaning it wont crack or chip even when exposed to strong elements. The YETI Slim Colster is also dishwasher safe which makes cleaning up after use much easier. Additionally, its dimensions 2.25 in x 6 in make it easy to store and carry around when youre on the go.

My experience with this product has been fantastic it does exactly what it says on the tin! I found that my drinks stayed cold for much longer than with any other insulator Ive used before, which was great as it meant I could enjoy my beverage at leisure without having to worry about it going flat or warm quickly.

The construction of the Colster was also impressive the thick gauge steel makes it robust and durable enough to withstand regular use without any signs of wear and tear. Plus, the Load and Lock gasket ensures an airtight seal every time you use it so you dont have to worry about any spillages or messes.

Overall, I would highly recommend this product as a must have accessory for anyone who wants to keep their drinks cold for longer periods of time while theyre out and about or just enjoying some time alone at home. Its reasonably priced too so you wont have to break the bank in order to get one!

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Frequently asked questions

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The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease.

Users reviews

94% of reviewers would recommend to a friend, Based on 7,844 Reviews

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