The insulated Hydro Flask 40 oz Travel Tumbler is here to hydrate more and refill less. This perfect-sized stainless steel tumbler bottle can go anywhere, even fitting most cupholders. Thanks to the double-wall vacuum insulation, drinks stay cold for hours. The TempShield insulation delivers cold hydration anytime so your morning fill is the perfect temp.

The leak-resistant press-in lid with straw on the insulated Travel Tumbler keeps drinks ready to sip. The Flexible Straw lid is soft on teeth and easy to flex so you can sip any which way. The cupholder-friendly design means your water tumbler fits seamlessly in most cupholders. Designed for seamless cupholder cohabitation, it's right at home on the open road, on the sidelines, in a pack or wherever you need to set your sips.

Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's iced tea. Easy to use and easy to clean, just disassemble the straw lid from the cup and toss it all into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready.

Visit the Store for Cascade, Fir, and Trillium. From the manufacturer, this is THE BEST TUMBLER for staying hydrated on the go. The insulation keeps drinks cold, the durable handle takes it to the next level, and the flexible straw is easy to sip any which way. Cold stays cold, and the leak-resistant lid keeps your drinks ready to sip. This cupholder-friendly tumbler is the perfect companion, providing pure taste and easy cleaning.

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