Brand new, unused. Shipping costs will be discounted for multiple orders. You can easily make hydrogen tea just by putting tea in the bottle. The most advanced "thermos" that maximizes the antioxidant power of "tea" and other ingredients! This bottle differs from reduced water made by electrolysis or hydrogen tea mixed with hydrogen gas. It faithfully follows the laws of nature and uses ions and static electricity generated from the combination of small vibrations of matter to create tea with strong antioxidant power. When you put tea in this bottle, negative ions, similar to those in the air, gradually overflow, and the tea becomes low-potential while the amount of hydrogen also increases. With continuous use, if you wait about 5 hours, ordinary tea will be transformed into the best "low-potential hydrogen tea." Dissolved hydrogen content: Average 800-1200ppb Oxidation-reduction potential: -400 to -600mv Sole Distributor OJIKA Industry Co., Ltd.