Features 1、This waist protector is made of qualified hook & loop and cloth fabric, inlaying permanent magnets, durable to use, ensures a long time service. 2、It can help to smooth the nerve system and promote blood system. 3、Help to cure cervical vertebra disease and remit the pain and cold of waist. 4、Spontaneous self heating, safe and convenient to use.Plays a good role to anti-fatigue, relieve pain and keep health. 5、Hook and loop design, elastic fabric, give you a comfortable wearing experience. Features: This waist protector is made of qualified hook & loop and cloth fabric, inlaying permanent magnets, durable to use, ensures a long time service. It can help to smooth the nerve system and promote blood system. Help to cure cervical vertebra disease and remit the pain and cold of waist. Spontaneous self heating, safe and convenient to use.Plays a good role to anti-fatigue, relieve pain and keep health. Hook and loop design, elastic fabric, give you a comfortable wearing experience. Specifications: Condition: 100% Brand New and High Quality Material: Hook & Loop + Cloth Color: Shown as Pictures Total Length: Approx. 111cm / 43.7inch Weight: Approx. 139g Package Included: 1 x Waist Protector Package List