Introducing our high-quality New ODM Double Wall Stainless Steel Vacuum Flask Custom Thermos Water Bottles! Manufactured in our own factory, these bottles boast exceptional durability and optimum insulation to keep your beverages hot or cold for extended periods. Constructed with premium stainless steel, these thermos water bottles are designed to resist rust, corrosion, and leakage, ensuring long-lasting use. The double-wall vacuum technology efficiently maintains the desired temperature and prevents sweating on the outside. Featuring a custom design option, you can add a personal touch to your bottle, making it perfect for promotional events or as a thoughtful gift. Stay hydrated effortlessly with our reliable and stylish thermos water bottles!