Hydrogen Rich Water Bottle 420ml 1100 to 1680ppb High Borosilicate Glass Hydrogen Alkaline Water Generator Cup for Home Travel Office FG05 1High Borosilicate Glass: The hydrogen water bottle is made of premium high borosilicate glass, which offers a transparent and aesthetically pleasing design. It is not only practical but also safe and sturdy, as it is resistant to both cold and heat. 2Easy Operation: This hydrogen water bottle features a one button switch, making it convenient to use. It quickly produces hydrogen rich water with a concentration of 1100 to 1680ppb, as well as weak alkaline water and negative potential water. 3Safe Lid: The lid of the hydrogen rich water generator is made of excellent stainless steel, ensuring its safety and hygiene. It provides a worry free user experience. 4Anti Slip Base: With a capacity of 420ml, the hydrogen water bottle is equipped with a stable and non slip base that is wear proof and durable, ensuring the protection of the tabletop. 5Compact and Portable: The hydrogen water bottle is small and lightweight, making it convenient for travel and on the go use. It comes with a built in battery for easy and anytime use.