250+ Verified Happy Customers!

KasNovas™ Vacuum Sealer Kit

What Comes In The Box

KasNovas Vacuum Jar Sealer

KasNovas Lid Adapter $15.99 FREE!

5x Wide Mouth Jar Lids $5.99 FREE!

5x Regular Mouth Jar Lids $5.99 FREE!

Type C USB Charger

Mason Jar Lid Opener $2.99 FREE!

Color

Black

White

Smart shoppers know: one click now, years of freshness ahead!

Transform the way you save food this year!

60-Day Money Back Guarantee

We know what it’s like to want products that actually deliver.
That’s why every order comes with our 60-Day Money-Back Promise.

So you can shop with total confidence.
If it’s not what you expected, just send us a quick message at support@kasnovas.com and we’ll issue a full refund (less return shipping).

No stress, no fine print, just real people who care!

Shipping & Delivery

All orders are packed and shipped within 1–3 business days. Once your order is on its way, you’ll receive a confirmation email with your tracking number so you can follow it every step of the way.

Shipping typically takes 5–12 business days, depending on your location.

Where We Ship:
We proudly ship to the United States, Canada, Australia, New Zealand, and the United Kingdom — plus most countries across the European Union.

Shipping Fees:
Enjoy FREE shipping on all orders over $70 (a great reason to grab a bundle!).
For orders under $70, a small flat rate of $9.99 applies.

Customs & Duties (for international customers):
Good news — no hidden fees! All import duties and taxes are prepaid by us, so you won’t have to worry about paying anything extra when your order arrives.

Nicole P. | Bought one and I don't regret it!

I’ve tried a few sealers before, but nothing comes close to this. One simple click and I get a perfect seal every time. After a few weeks of use, it’s already paid for itself in savings.

Nicole P. | Bought one and I don't regret it!

I’ve tried a few sealers before, but nothing comes close to this. One simple click and I get a perfect seal every time. After a few weeks of use, it’s already paid for itself in savings.

Sick Of Pantry Pest? Foods Going Bad To Quick?

We’ve been there. That’s exactly why we created the KasNovas™ Jar Sealer a cordless, hassle-free vacuum sealing tool designed to lock in freshness and lock everything else out!

Turn simple mason jars into long-lasting freshness keepers!

Don’t take our word for it.... hear theirs

My grandson got me this sealer months back and I just love it! My dry goods used to get stale, and my greens would wilt before I could finish them. That has all changed and all it took was this little sealer.

Helen E. | Verified Buyer

I honestly don’t know how I managed without this! It gives me a perfect seal every single time and is so easy to use. Now everything in my kitchen gets sealed, truly one of the best investments I’ve made.

Kayla R. | Verified Buyer

I recently started using it for my dog’s kibble. Before, it would go stale after just a few weeks and I’d end up tossing it out. Now, thanks to this sealer, nothing goes to waste, and my pup enjoys fresh food every time

Toria D. | Verified Buyer

My wife has been obsessed with this! She loves buying in bulk and storing everything in jars to save money, this sealer has become her new best friend

Pual C. | Verified Buyer

No Air. No Bugs. No Spoiled Food

One press, and your jars are sealed tight—blocking out air, moisture, and those annoying little pests that ruin food fast.
Simple, effective, and made to protect what matters.

EASY SETUP IN 3 STEPS

Put food into the jar. Cover the jar with the lid.

Place the KasNovas Sealer over the lid. Press Start.

Watch your jar seal & stop automatically!

Put food into the jar. Cover the jar with the lid.

Place the KasNovas Sealer over the lid. Press Start.

Watch your jar seal & stop automatically!

Works With All Mason Jars & Lids

KasNovas™ Vacuum Jar Sealer guarantees universal compatibility, effortlessly fitting all mason jar brands and any standard store-bought lid. Making it an ideal solution for efficient food storage, ensuring a perfect seal with every use.

Wide & Regular Mouth

What Sets KasNovas™ Mason Jar Sealer apart from the competition

Bulky Machines

Plastic Containers

100% Airtight Seal

Fits All Mason Brand Bought Lids

Reusable & Low Waste

No Microplastics

Offers 3-5x Times More Shelf life

Seals Drys & Liquids

30-Day Money Back Guarantee

Grab Mine Now!

The Main Cause Of Spoiled Foods & Pantry Pests Is Exposure To Air

Stop food spoilage today, families waste around $1500 annually on unused foods. When food is exposed to air, it oxidizes, loses freshness, and spoils fast. Moisture, mold, and bacteria thrive when your foods aren’t sealed airtight.

Preserve, Reuse & Reduce Waste

Our jar sealer locks in a 100% airtight seal to protect your food longer. And since strong seals can mean tough lids, we include a free lid opener & extra lids so you can reseal and reuse your lids without damaging them.

Type C integrated, Short charge

One Charge, Get 200 Seals

KasNovas™ Sealer offers extended sealing power with an eco-friendly battery & Type C integration for rapid charging. Seal up to 200 different jars with ease, making KasNovas™ Sealer your Go-To

Ditch The Bulky Machines, This One Fits In A Drawer!

The KasNovas™ Jar Sealer is compact, cordless, and built to simplify your kitchen.
No big setups. No tangled cords. Just grab it, seal it, and store it. Small enough for any drawer, powerful enough to lock in freshness for weeks.

Grab Mine Now!

Have questions? We got answers!

Frequently Asked Questions

Does it only work with the Mason brand?

Not only with Mason jars & lids, it also works with everything else like popular brands as Bell, Kerr, Bernardin & so much more!

Can I use the lids I already have at home?

Absolutely! You can seal and reopen your jars again and again — the KasNovas™ Sealer won’t damage your lids.
Plus, we include 10 extra lids with every order, just in case you’ve misplaced a few or need more on hand.

Is the vacuum sealing process loud?

KasNovas™ Sealer runs quietly compared to others during the vacuum extraction process, providing a smooth & convenient experience.

What can I jar & preserve with the KasNovas™ Sealer?

KasNovas™ Sealer is versatile & perfect for preserving a variety of foods, including

Dry Goods: Rice, beans, herbs, spices, coffee beans, nuts, chips, dried fruits, seeds, flour, sugar, cereals, pasta, candy & much more!

Liquid Goods: Sauces, salad dressings oils, vinegar, syrups, jams, jelly, pickles & yes of course your favorite homemade soups!

The list is endless really, you can seal anything!

How long does it take to seal?

It typically takes 30–60 seconds to create a complete airtight seal.
Simply place it over your jar, press Start, and let the 2025 upgraded version do the rest, it even stops automatically once the seal is perfect (around 1 minute max).

No need to hold it or babysit it — just click and relax.

How does it adapt to both regular & wide mouth jars?

KasNovas™ Sealer comes with an adapter which you can easily take off and put on with it's lock and unlock feature.

To seal the wide mouth jars don't use the adapter. It's ready to go as is.

To seal regular mouth jars use the adapter included in the box for free.

What is the return policy?

We’re confident you’ll love your KasNovas™ Jar Sealer, but if it’s not a perfect fit, no worries!
You can return your order within 60 days of delivery for a full refund (excluding return shipping).

Just reach out to our support team at support@kasnovas.com, and we’ll be happy to help you through the process — hassle-free and with a smile!

When is a suitable time to charge the device?

To achieve the best seal, make sure the charge level doesn't drop below 20%. Keeping it fully charged is best.

30-Day Satisfaction Guarantee

Try us risk-free! Love it or send it back within 30 days for a full refund! Your satisfaction is first!