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Prep and store your favourite jams, pickles and more with our selection of glass canning jars, including regular and wide-mouth mason jars.


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Whether you're preserving seasonal produce, making homemade jams or storing pantry staples, the right canning jars can help keep food fresh and organized. From durable mason jars to versatile glass jars with lids, Canadian Tire offers a variety of storage and food-preservation solutions for beginners and experienced home canners alike.
What are the different types of jars?
Not all canning jars are created equally. Regular mouth mason jars have a smaller opening and work well for jellies, jams, salsa and pickling smaller vegetables. Wide mouth mason jars provide more room for filling and are often preferred for larger fruits and vegetables or for freezing foods because they allow liquids space to expand.
What's the difference between Mason jars and regular glass jars?
Mason jars are reusable glass containers specifically designed for canning and food preservation. Available in both regular-mouth and wide-mouth styles, they're made from tempered glass that can withstand high heat and pressure. Their two-piece lid system helps create an airtight seal that keeps air and bacteria out. They are commonly used as jam jars, pickling jars and other preserving jars. Regular glass jars are not designed for home canning and may not provide the same durability or sealing performance.
Can Mason jars crack with temperature changes?
Although mason jars are designed to handle heat, sudden temperature changes can still cause cracking. To help prevent thermal shock, warm jars before filling them and avoid placing hot jars on cold surfaces. Allowing temperatures to change gradually can help protect your jars throughout the canning process.
What size canning jars should I purchase to get started?
Smaller 4-oz and 8-oz jars are ideal for jams, jellies, salsa and sauces. Larger 12 oz and 16 oz jars are better suited for vegetables, soups, meats and seafood. Keeping a variety of sizes on hand makes it easier to preserve different foods and portion sizes.
What type of jar is best for pickling?
Wide mouth mason jars are a popular choice for pickling because the larger opening makes it easier to pack vegetables. As the jars cool, the lid forms a seal that helps keep contents fresh. These pickling jars are ideal for cucumbers, carrots, beans and other vegetables. Explore our selection of glass jars with lids, preserving supplies and canning essentials to help seal in freshness year-round.
For everything you need to complete your canning setup, explore our selection of Mason Jar Lids and Canning Pots, plus Canning Accessories.

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