Within three days. Kaqi refers to Kaqi Yogurt, a product of Kaqi Yogurt (Suzhou) Co., Ltd. The Kaqi Yogurt Exchange Roll will arrive within three days after the exchange, and the production date is three days after the exchange. Shelf life is 2 1 day. The business scope of Kaqi Yogurt (Suzhou) Co., Ltd. includes the production and sales of series of dairy products, liquid milk (yogurt) and beverages (protein drinks).