Polar Bottle Ergo Spectrum Insulated Water Bottle Innovative Hot/Cold Insulated Water Bottle - Designed with the same double-wall, reflective insulation technology as the original Polar Bottle Sport water bottles, the Ergo is hot and cold compatible, keeping your drink fresh more than twice as long as single wall bottles. Use as a sports water bottle, bike water bottle, travel bottle or even for coffee during your morning commute. With No-Spill Cap - The Ergo features our Half Twist cap, which makes drinking easy and spills a thing of the past. Just give the cap a Half Twist to start the flow of water, and another Half Twist in the other direction to completely seal it. Medical-grade silicone gasket prevents leaking. Colorful, Personalized Water Bottle - Creativity meets functionality with this reusable water bottle. Express your unique style with one of Ergos many colors or ombre patterns, from Kiwi to Magenta, Cyan to Tangerine. Makes a great kids water bottle too, with a removable carrying strap for easy grab-and-go hydration! 100% BPA-Free Water Bottles - Polar Bottle water bottles are and always have been 100% BPA-free and phthalate-free. Constructed of durable, lightweight and FDA food grade approved polyethylene. Dishwasher and freezer safe. Made in the USA - Polar Bottle Hot/Cold Insulated Water Bottles are proudly made in the USA to reduce environmental impact and support local economies. Designed to last, each one of our water bottles comes with a lifetime guarantee.