The Green World Tourmaline Waist Protector is designed to alleviate backache caused by lumbar muscle strain or lumbar hyperplasia, and it is also claimed to help reduce abdominal fat. The product is part of Green World's Tourmaline series, which includes health care devices and is marketed for its therapeutic benefits. It is intended for individuals experiencing lumbar muscle strain, lumbar hyperplasia, backache, kidney deficiency, lower abdominal coldness, pain, or dysmenorrhea, as well as those seeking to reduce abdominal fat. The belt is made with tourmaline-infused materials that are believed to provide warmth and support, potentially improving blood circulation and offering relief from discomfort. It features an adjustable design for a secure fit and is made with soft, breathable fabric for comfort during daily wear. Recommended for: 1.People with lumbar muscle strain, lumbar hyperplasia or backache 2.People with kidney deficiency, lower abdominal coldness and pain, or dysmenorrhea 3.People need to reduce abdominal fat