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Silicone Sleeve for Wide Mouth Pint 16oz Mason Jars


We love to use glass jars instead of plastic cups, but there is always the worry that they will end up broken on the ground.

These silicone sleeves for Wide Mouth Pint (16oz) jars add grip and padding, and they also insulate. Wide mouth pint jars have straight sides and are 3″ internal diameter.

Whether you call it a Koozie, a Kozie, a Coozy, a Cozy, or just an insulating sleeve, it’s perfect for protecting your glass jar from breakage and your hand from cold or heat.

Made of 100% silicone rubber, these sleeves are dishwasher, freezer, and microwave safe! Silicone is a safe, green, non-plastic (BPA free) material for food use that does not leach any chemicals.

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Bulk discounts - buy more and save! Offer ends: May 7, 2021 2:33 pm

Quantity 5-14 15-40 41-99 100+

Mix and match colors!

We have redesigned these sleeves to eliminate the inside groove that runs around the top. The older style clips onto the glass bead or rim, just under the jar threading. This makes them a little more secure once on, but harder to get on and off. The new style is tight on current production Ball jars but a little loose on Kerr jars.

I drink my coffee from a wide mouth pint jar every morning. My silicone sleeve keeps my hands safe, and if I need to leave the house I screw on a wide mouth silicone drinking lid.

Use a different color for each family member, and stop wondering which beverage cup is yours!

Microwave safe means you can heat up your beverage without removing the sleeve. Or take out a frozen jar of food, put a koozie on it, and heat it up.

Since they don’t touch your beverage, I often just rinse them, but they are also dishwasher safe. You can leave them on the jar, but I find that water gets trapped so I prefer to separate them to clean the jar.

You could also use one to block sunlight or prying eyes from the contents of your jar.

Great for kids and adults!

Choose Color

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Mason Jar Lifestyle

Customer Reviews

Based on 16 reviews

It’s great!

Super good

Order filled very fast and product fit well and removes easy with the right technique. Thank You. I love this specialty product.

No more frozen fingers!

Easy on/off. Pretty. Well made. No rings left on table!


I love the silicone sleeves! Safe to use , even for my grandson!


I LOVE this product! It is a brilliant idea! Aesthetically pleasing.