100% natural, Fresh dried with 90% dryness; No chemical or preservative added the item.Famous Asian dried cuisine ingredient, usually add to used in soups, stews, sauces, and other dishes to give the dish a rich umami flavor. If you are not satisfied with our product, you are protected by our no questions asked, money-back guarantee.All products support 30 days Return without reason. Note:All dry shrimps are 90% dry so please refrigerated them when package received to maintain its premium flavor. 干贝虾干等均为9干度，收货后请第一时间冷藏保存. If you have any questions or after-sales service needs, please feel free to send us a message and email, or leave your question in the Q&A section below!