Naturehike Leakproof Water Reservoir - 3LFEATURES: Microban technology, a technology from the United States, has passed the FDA certification and is safe Class as inner wall, using this technology to make the inner wall smooth, prevent scale formation, and keep the water clean It is safe and odorless. The product is FDA SGS certified and registered with EPA. It does not contain bisphenol A (BPA) Double welding edge sealing technology, advanced edge sealing technology, don't worry about