Material: wormwood, etc\n\n10 Patches / Pack, production date is on the package, shelf life: 3 years. \n\nOpen the small package and start heating automatically in about 10 minutes，Please immediately paste the discomfort part of the body and provide more than 8 hours of continuous heat and comfort. \n\nIf it is too hot after 30 minutes., put the small sticker (with thie green text) on the center of the patches to reduce teh heat. \n\nProduct name: Self heating moxibustion patch\n\nApplicable scenario: health preservation\n\nModel: magnetic therapy\n\nProduct name of health care products: magnetic therapy moxibustion sticker\n\nType of acupuncture apparatus: warm moxibustion apparatus\n\nHeating time: 8 hours