This is a Grant E One's Hormesis sheet. It's not new, but it's in good condition with little use. I have cleaned it at home again before listing it. It has some signs of use. See image 5. Please consider this before purchasing. Size: Single size 100 x 200 Hormesis, named after the world of radon and radium. Hormesis is called the ultimate negative ion and is said to be a natural vaccine with no side effects. It is said to have relaxing effects, fatigue recovery effects, and improved metabolism and immunity. It can also be washed, and the effects are said to be semi-permanent. The effects of hormesis are expected to improve fatigue recovery, metabolism, and immunity. Hormesis has the effect of turning brain waves into alpha waves, and by turning brain waves into alpha waves, the brain and body can relax. For improved sleep quality. Retail price: 49,500 yen. The storage bag is not included.