Please feel free to contact us with any questions or uncertainties. The more you buy, the better the deal! 5 sheets: ¥3000 10 sheets: ¥5500 30 sheets: ¥15000 50 sheets: ¥24000 100 sheets: ¥45000 For orders of 100 or more, please inquire! M size 27cm x 30cm Expiration date: 3 years We always have the latest stock! We import directly from the factory, so we can sell at the lowest prices! These are the cooling sheets used in our salon, so you can use them with confidence. Get even better deals with bulk purchases!