Specifications: Material: Traditional Chinese Herbal Formula Size: 15*10cm/5.91*3.94" Shelf Life: 3 Years Quantity:10 Packs Replacement: Every 3-4 Days External Use Only Package: 60 PCS Diabetic Patches/10 Packs Natural Formula Made from traditional Chinese herbal formula: Rehmanniae, Rhizoma, anemarrhenae, Trichosanthin, arrowroot, astragalus, Scrophulariaceae, berberine, yam, borneol. Traditional Chinese Therapy Focuses on regulating the circulation of blood and balancing the organ systems to improve pancreatic function and address internal heat and the depletion of fluids. NOTES: The pregnant woman, nursing mother are not advised to use this product. If you have any skin allergies, or skin damage, then you are not recommended to use.