Expiration Dates: 【x39】April 2027 【x49】October 2026 Lifewave x39 x1 Lifewave x49 x1 Patches: 30 patches each ・Authentic product ・New and unopened ・With instruction manual To avoid electromagnetic waves and high temperatures, they are wrapped in aluminum foil and stored in a cool, well-ventilated room. They will be shipped wrapped in aluminum foil.