This storage jar is made of acrylic. It is lead-free and BPA-free. These jars are perfect to store all manner of dry goods including flour, cookies, rice, coffee, spices, candy, and much more. it will not warp, stain, retain smells, or leach dangerous chemicals or microplastics into food or drinks. These acrylic airtight storage jar is not only suitable for the kitchen, but also perfect for use in the bathroom.