Our 17 oz water bottle is small enough for boys and girls, yet large enough for adults.Take your durable stainless steel water bottle with you on any adventure! Made from food-grade stainless steel, our refillable flask always ensures a pure, clean taste that won’t retain or transfer flavors. Whether you’re running on a trail, riding a bike, catching swell waves or playing sports, our hydro canteens are the best hydration companions.