The interior handling of this kettle. We use the satin finish technology to make the inside surface of the kettle more smooth, delicate, and feel very good. In this way, it is not only comfortable to hold, but also not easy to stain, so that your drinking water is more healthy and sanitary.Second, there is the external coating of this kettle. We use blue coating technology, compared to the common white water bottle, more stylish and unique. At the same time, after the polishing step treatment, the surface of the kettle is more smooth, scratch resistant, wear resistant, so that your kettle always maintain a new appearance.Finally, there is the performance of this kettle. It is made of high quality material, good insulation effect and long cooling time. At the same time, the sealing performance is good, the leakage resistance is strong, so that your drinking water is safer and more assured. Fungho Industries(Group)Co.,Ltd Tel:86-750-6785268 Mobile phone:+86 13827038161 Website: https://www.funghogroup.com/