There are 20 pieces. The expiration date is April 2026. Are there any people who plan to use them in February, March, or April? Shipping will be done by taking them out of the outer bag and separating them into the five pieces shown in the photo. Disposable body warmers that provide 12 hours of warmth when applied to clothing. - Quantity: 10 pieces per pack - Duration: 12 hours - Type: Adhesive body warmer - Made in Japan #DisposableBodyWarmer #AdhesiveDisposableBodyWarmer #S.T.ChemicalBodyWarmer