Introducing our New ODM Double Wall Stainless Steel Vacuum Flask Custom Thermos Water Bottles! Our factory has worked tirelessly to bring you a high-quality, durable product that meets all of your hydration needs. Our thermos bottles are made with double wall, vacuum-sealed technology to ensure your drinks stay at the optimal temperature for hours. Whether you're hitting the gym, out on a hike, or commuting to work, our custom thermos water bottles are the perfect accessory to keep you hydrated all day long. Plus, with our ODM capabilities, we can customize your thermos bottle with your own unique logo or design. Trust our factory to deliver a top-notch product that keeps your drinks hot or cold until the very last sip.