Turn Your Rambler® Bottle Into The Perfectly Insulated Flask
Save some space by transforming your Rambler® Bottles with our heat-locking, two-in-one companion — the Cup Cap. Not only is it compatible with every Rambler Bottle, but it also offers twice the functionality. As an insulated cap, it helps keep your coffee, tea, or even whiskey at the perfect temperature. And when you twist it off, you’ve got a double-wall vacuum insulated cup.
Please note: Do not use the Rambler® Bottle Cup Cap with carbonated beverages or for storage of food or perishables. Learn more about product use and safety on our FAQ page.
All Rambler® bottles are compatible with our complete line of innovative bottle caps.
Is It Dishwasher Safe?
Yes. For the most thorough cleaning, remove rubber gaskets and place them in the utensil’s basket
Is The Cap Insulated?
Our 5 oz. Cup Cap and HotShot™ Cap both offer insulation.
Can I Use The Caps For Hot And Cold Beverages?
Our straw caps are not intended for hot beverages. Please see our safety and care instructions for more information.
Is There A Warranty?
All Rambler® Drinkware comes with a 5-year warranty.
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Turn your Rambler® Bottle into the perfectly insulated thermos. This cap fits on all Rambler® Water Bottles.