Unopened Hakujuji Seijo Cotton 100-pack. Expiration date: 2028.03 Although unopened, when shipping, only the contents will be packaged in a separate bag and sent via Yu-Packet Post. I will take utmost care regarding hygiene during the packaging process. Please refrain from price negotiations. Due to rising prices, a slight price increase is unavoidable; thank you for your understanding. Shipping will only be on weekdays. Thank you for your understanding.