Use our leak-proof stainless steel containers as a non-toxic and non-leaching alternative to plastic Tupperware.Our reusable BPA-free food storage containers are perfect for packing fruit salad, applesauce, pasta salad, crackers, apples & peanut butter and more.Also use them to store leftovers in the refrigerator.Pack kid's lunches and picnics on the go, while saving trash from our ever-growing landfills.Containers are 304(18/8) food-grade stainless steel.Lids are non-toxic LDPE #4 plastic.They are 240ml and BPA-free, PVC-free, phthalate-free and lead-free.Our stainless steel containers are dishwasher safe, top rack recommended.Although our lids are dishwasher safe, research has shown that it is best to keep plastics out of high temperature environments like microwaves and dishwashers.