15 days. According to the Meiji Milk official website, the shelf life is 15 days, the specification is 950ml/bottle, the ingredients are raw milk, and the storage method is refrigerated at 2-6°C. Meiji is a Japanese food brand. According to the China Trademark Network, the registration announcement date was March 15, 1981, and the applicant’s name was Meiji Holdings Co., Ltd.