I haven't found large airtight ss ones that I like. We do have a seller in our marketplace with some awesome airtight round ones ranging from baby food size to 4 or 5 gallon (huge like for dog food etc). The only rectangular ss ones they have are for bento/lunch box though. https://schoonerchandlery.com/store/onyx-containers/. They do have rectangular ss and glass that range in size though.