U Konserve Nesting Trio Stainless Steel Containers with Leak-Resistant Lids, Navy/Green/Red Malleable non-toxic lids, easy for little fingers to use Free of BPA, phthalates, PVC and lead All three sizes are the perfect lunch packing solution, and when done containers nest inside one another Containers are made of unlined 18/8 food-grade stainless steel; lids are made of recyclable non-toxic LDPE number 4 plastic Large container 16-ounce, medium container 8-ounce, small container 5-ounce If the customer has a problem with their lid we have our Lids for Life program that allows us to replace their lid free of charge if the lid has a manufacturing defect (a crack in the lid is considered a manufacturing defect). Our lids are also dishwasher safe, top rack only