We've included Fuso Chemical's citric acid and domestically produced baking soda. Both are food grade (aluminum-free), so they can be used for beverages, seasonings, bath additives, and cleaning. Expiration dates: Citric acid: January 31, 2028 Baking soda: January 31, 2027 *Receipts can be issued; please request one. *A simple instruction manual is included. *We use simple packaging to conserve resources and costs, but we will take responsibility for any issues, including during shipping, such as torn bags. *Please contact us with any other requests in the comments, and we will do our best to accommodate them.