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Glass Storage Containers
Glass jars of oats, lentils, and pickles on a marble shelf

Glass jars for storage

Jars are simple and versatile. Know which jobs each kind suits.

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Canning jars

Often called mason jars. Some are made for both canning and freezing. NCHFP advises wide mouth dual purpose jars for freezing.

Reused jars

Jars from store-bought food are fine for dry pantry goods and the fridge. NCHFP says regular glass jars break easily at freezer temperatures, so avoid freezing in them.

Lids

Two-piece canning lids, one-piece screw caps, and plastic storage caps all exist. Check what each is made for.

Home canning is a separate topic

Canning food safely at home has specific tested methods. See the National Center for Home Food Preservation. This site does not cover canning.

Which jar for which job. Not every jar suits the freezer.

FAQ

Use wide mouth jars made for freezing, with headspace, per NCHFP.
Yes, for dry goods. Clean and dry them first.
Storage caps close. Canning seals are a separate process.

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.

Storing baby food?

Careful basics.

Read baby food storage
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