Boldly going where no water bottle has gone before. Made from certified-safe and BPA-free materials, its sleek design collapses down to just over 1″ for easy stashing. When expanded, the large size holds a thirst-quenching 21 oz of water and fits in most vehicle cup holders and backpack water bottle pockets. Available in a variety of colors, its hydration that fits your life. Put it in your purse or backpack pocket—no more carrying a bulky, empty bottle all day long. And the durable silicone won’t add any unwanted taste to your drink. PLUS - The impact-resistant case will keep Hydaway bottles safe from harm and dirt. Simply compact your bottle and slip it into the easy-to-use case.