This magnetic back belt was designed with durability in mind. It features high quality materials making it perfect for daily use. It can be worn under your clothes and hidden easily. It has numerous magnetic north magnets facing your back giving you the much need natural healing qualities expected from such a device. Each magnet is laid out in an energy enhancing secured grid pattern. Start wearing yours today and see how quickly the magic of magnets can make you feel comfortable and eliminate even the worst of back pains. - Material: nylon + elastic fabric - Waist: 34~106cm - The magnetic waist belt are used to warm heal and support the painful areas improve the blood circulation and heighten the blood oxygen levels