Plasma hydrogen water sticks specifically designed for anti-aging care. This is a set of 4 sticks, with 2 sticks per box, and 2 boxes total. Priority will be given to those who purchase the set, but I will also consider selling them individually, so please comment if you are interested. - Product Name: Plasma Hydrogen Water Generating Stick - Contents: φ19mm x 120mm (2 sticks per box x 2 boxes set) Retail Price: ¥14,508 (¥7,254 per box) Reference: https://amzn.asia/d/a6fa3B6 *These items were found during a cleanup at my parents' house, so I do not know the purchase date. They are unused, but considered second-hand goods, so please purchase only if you understand this. Thank you for looking.