WUZHOU Reuse: This kit comes with 50 magnets with adhesive, and 50 replacement adhesives without magnets. After use, the magnets can be kept in the small plastic container that comes with this kit and can be easily replaced with a new adhesive for reuse.Acupuncture Points and Pain Points: Magnetic patches can be used to prolong the positive effects of acupressure and acupuncture treatments. Use magnets and massage regularly to stimulate the acupuncture points to promote the body's healing process. Some people do this by applying them to areas of discomfort (eg: stiff shoulders, low back pain, knee pain, etc.)Delivery quantity: 5 pieces (10 piecesbriece)The tape is about 21mm in diameterThe diameter of the magnetic disc is about 6 mm