Skitt Cool Doctor 7 x 10 cm, 7 sheets per pack, 16 packs will be sent. ※This product is not a pharmaceutical product and can be sold. It is unlikely to cause rashes and is difficult to peel off. We have already discounted the price, so we cannot offer any further discounts. Regarding the expiration date, we have confirmed with the manufacturer that it is good for 2 years.