I received this as a souvenir, but no one in my family eats it... If you like it, please take it. Taiwanese century eggs, 6 pieces per pack, can be stored at room temperature. Expiration date: June 10, 2026. - Product Name: Taiwanese Century Eggs - Contents: 6 pieces - Storage: Store at room temperature - Manufacturer: Yusei Co., Ltd. - Expiration Date: June 10, 2026 Thank you for looking.