The "Gurulia" brand from Tokai Optical Co., Ltd. Following the eye mask and neck repair, the third item to achieve core body warmth is now available! This "General Medical Device" functional waist warmer uses the body's own heat to provide natural warmth 24 hours a day. Made with stretch material and a zip closure, it's easy to put on and take off even when you're out and about. It's designed to be worn as an inner layer, making it convenient for commuting or work. By raising the temperature of the area it touches, it promotes improved blood circulation. Through the phenomenon of radiation (fukusha), where heat moves from areas of high temperature to low temperature, it leads to fatigue recovery. In other words, by efficiently warming key areas where thick blood vessels pass, it improves blood flow, warming the entire body. With "Waist Act," you can use the latest technology materials to create natural warmth from your own body temperature, and the warmth lasts throughout the time you wear it. 【Suitable Size】 S size: Abdomen 58-75 cm 【Material】 Outer fabric: 95% polyester, 5% polyurethane Lining: 84% cotton, 16% polyester (natural mineral stone, made in Japan) 【Washing and Storage Instructions】 ○ Do not use a washing machine's spin cycle, and do not use chlorine bleach. After washing, shape and hang to dry. ○ If it does not suit your skin, or if you feel a rash or itching, discontinue use. ○ If you put your nails on the fabric and pull it forcefully, it may tear. Please be careful when putting on and taking off. ○ If you wear it too tightly or for a long time, take it off and on at appropriate intervals. The "Gurulia" brand from Tokai Optical Co., Ltd. Following the eye mask and neck repair, the third item to achieve core body warmth is now available! This "General Medical Device" functional waist warmer uses the body's own heat to provide natural warmth 24 hours a day. Made with stretch material and a zip closure, it's easy to put on and take off even when you're out and about. It's designed to be worn as an inner layer, making it convenient for commuting or work. By raising the temperature of the area it touches, it promotes improved blood circulation. Through the phenomenon of radiation (fukusha), where heat moves from areas of high temperature to low temperature, it leads to fatigue recovery. In other words, by efficiently warming key areas where thick blood vessels pass, it improves blood flow, warming the entire body. With "Waist Act," you can use the latest technology materials to create natural warmth from your own body temperature, and the warmth lasts throughout the time you wear it.