Safe and Reliable Material This kettle is made of high quality 304 stainless steel, which meets the national food-grade safety standards and does not contain any harmful substances. Whether you fill it with hot water, cold water, juice or coffee, it will not react chemically with your drinks, ensuring that every sip you take is healthy and worry-free. Stainless steel is not only strong and durable, but also corrosion-resistant, easy to clean, and can be used for a long time to keep as new. Strong insulation performance Adopting double-layer vacuum insulation technology, effectively blocking heat transfer, insulation effect is remarkable. Early in the morning loaded with a pot of hot water, even in the cold outdoor running around all day, the evening can still drink warm hot water; summer travel, loaded with ice-cold drinks, a few hours later still cool and refreshing. Whether it is cold winter or hot summer, it can meet your needs for water temperature. Large capacity to meet demand With a large capacity design, one time filling, can meet your long time outdoor sports drinking water needs. Whether it is long-distance hiking, mountaineering adventure or cycling trip, no need to frequently find a place to replenish water, so that you can enjoy the fun of sports, no worries. Portable Design Carefully designed portable handle, ergonomic, comfortable to hold, even if filled with water can be easily lifted. At the same time, the material of the handle is durable, can withstand the weight of the kettle, not easy to damage. In addition, the kettle's size is reasonable, can be easily put into the side pocket of most backpacks, convenient to carry, does not take up space. Sealed and leak-proof, quality assurance The lid of the kettle is made of high-quality sealing rubber ring with strong sealing, even if the kettle is inverted or shaken violently, there will be no leakage. You can put it in your backpack without worrying about wetting other items. We strictly control the quality of our products, each kettle is tested through multiple processes to ensure superior quality.