Make sure you’re always full of water with the Hydro Flask Wide Mouth Stainless Steel Bottles. Available in four capacities, these wide-mouth water bottles work in many situations. Choose the 20-, 32-, 40-, or 64-ounce capacity depending on your needs. Whether you’re running errands or on a long hike, these Hydro Flasks make hydration easy. Additionally, because these are stainless steel water bottles, there’s no BPA in them whatsoever. So you can feel confident that you’re staying healthy when you drink from them. With an insulated Flex Cap, these bottles are easy to tote around with you while keeping your drinks hot or cold. In fact, they can keep cold beverages chilled for a full 24 hours. Furthermore, they’ll keep your hot drinks hot for at least 12 hours. And with such big openings, it’s no problem fitting your water filtration system inside for those days in the wilderness.