*Material: 600 Gauss permanent ferrous magnets and synthetic resin in each pr insoles
* Based on the greatest invention in ancient Chinese medical science acupuncture
* Improves blood circulation and heightens the blood oxygen level to enhance metabolism
* Relieves muscular tension, fatigue and stiff feet , get effects of therapy
* Insoles curve for easily cut
* Comfortable, durable and washable
* Bio-magnetic support for head, wrist ,elbow, knee, ankle, waist, and more
* Size: S, L,