These boxes are made of good quality, thick steel. The lids are also very well made and seal very well. Unlike plastic containers, it gives the satisfaction that no chemicals are leaching into the packed food . The price on overstocks was lower than at other website, so it was a no brainer to buy it from here .
Love these bowls. We've had them since my daughter was little (she is now 3) and we have been using them for my son (1). They've withstood the test of time and I love that they come with their own lids.
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