17Oz insulated water bottle is made from 18/8 food-grade stainless steel that is durable for any adventure. Whether you're hiking in the great outdoors or catching swell waves at the beach, your sports water bottle is there for all your hydration needs. Drink with confidence, your BPA-free water bottle is made with non-toxic materials. With a reusable water bottle it's easy to stay hydrated all day long. Enjoy your beverage throughout the day with your thermos bottle that compactly holds a large amount of liquids. The wide mouth opening allows for quick filling, drinking and cleaning. With our double-wall vacuum insulation technology, your thermos water bottle maintains inside temperatures for hours and prevents condensation from forming on the bottle's exterior.