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Glass containers of herbs and grains on an oak board

Glass storage questions, answered

Short answers, with links to the full guides.

Glass and lids

Glass with boron oxide that expands less with heat.
Check the lid's own instructions.

Heat and cold

Only as the maker's instructions allow.

Food storage

USDA says 3 to 4 days in the refrigerator, or 3 to 4 months in the freezer for best quality.

About us

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No. Prices, sizes, materials, and availability change. Check the maker and the retailer before you buy.
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Safety

General information only. Follow the maker's instructions for oven, microwave, freezer, and dishwasher use. Glass can crack or break from sudden temperature changes or impact. For food safety, follow USDA and FDA guidance.