Original manufacturer: Yunohana Co., Ltd. in Tokyo
Size: female / male version (freely adjustable)
Width: including 6/8/10/12/15mm
Content (standard): One
Main components: Yunohana hokutolite, far infrared ceramic powder, negative ion ceramic powder
Product features: The Tamagawa Hot Spring Natural Monument, "hokutolite", releases trace elements, high-level negative ion elements and far-infrared elements, reduces fatigue, facilitates metabolism, regulates physiological functions, enhances physical strength, and changes and improves one’s luck.