Today's food storage bags and plastic containers are pricier than their predecessors, but shoppers don't seem to mind. Environmental concerns haven't slowed sales significantly either, retailers told SN. The newest bags to enter the market leverage steamable technologies, easy-zip tabs, multiple layers to prevent freezer burn, and vacuum-seal capabilities. Containers have also undergone upgrades. Some come with airtight twist caps. Others have interlocking lids that help consumers clean up ...

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