The Top 5 Ways to Store Rice, Flour and Oats in 2026, and the One My Mom Won't Go Without

Glass jars are back in every pantry video, but most of the bugs people find never got in through a lid. My mom, who ran a school storeroom, and I ranked the five most common ways to store dry food, so you don't throw out another bag.

Emily GrahamBy Emily Graham · Updated October 2026
Rice in a cloudy plastic canister next to the same rice in a sealed glass jar

Why People Are Moving Their Pantry Back to Glass

If you landed here after finding bugs in a pantry you'd spent a weekend organizing, you're in good company.

The move back to glass is real, because more of us are asking a simple question: how did they get in? With most of the ways we store food, the answer isn't pretty:

✗The store bag or box: the larvae chew through thin cardboard and plastic to the next package
✗Clips and twist ties: they close the top, and the bag walls stay as thin as before
✗Plastic canisters: fine while the lid is tight, but hard to tell when it stops pressing down
✗Screw-lid jars: a good lid, but a loose one looks the same as a tight one
✗Big bins you keep topping off: one bad bag gets poured on top of the clean food

Each one has a weak spot that lets one bad bag reach the next.

Glass promises the opposite. Bugs can't chew through it, you can see every grain without opening it, and it's how our grandmothers kept their flour.

So the reasons are good. There's one catch: a jar only helps if the lid is down tight and each new bag goes in its own jar.

I've been there myself. Two years ago I spent a whole weekend moving my pantry into matching plastic canisters with bamboo lids and label-maker labels, and I still found bugs in the rice, then a month later in the oats.

Here's what almost nobody tells you. The University of California's pest program says pantry pests "usually enter your home in an infested package of food."

Colorado State says the larvae "can chew through thin cardboard or plastic bags." So one bag comes home with eggs in it, and they walk to every bag on the shelf that isn't shut tight.

When bugs show up, people blame their cleaning. The bug rode in with the groceries.

A chewed hole and webbing in the fold of a cereal box flap

A sealed glass jar gives them nothing to chew and no bag next door.

My mom, Carol, ran the kitchen storeroom at an elementary school, keeping rice and flour good for four hundred kids a day. She calls it the bag-to-bag spread.

Mom and I ranked the five most common ways to store dry food on the four things she checked the Saturday she poured my canisters into mixing bowls. Here's what we found.

↓ Skip straight to our #1 pick

⚠️ Beware the $20 sealer trap

A lot of cheap jar pumps quit after a handful of jars. The twenty-dollar one Mom tried died after six. An Amazon review of a budget sealer says the same: "Stopped working, after sealing 6 jars."

A jar you think is sealed and isn't is worse than a jar you know is open. Whatever you use, check the lid by hand.


How We Ranked These

Not all "storage" is the same, and most of it was never meant to keep bugs out. So we scored each method the way Mom checked my pantry.

Chew-Proof Walls: Can the larvae chew through the sides? Colorado State says thin cardboard and plastic bags don't stop them. Mom's storeroom never kept rice or flour in the fifty-pound sacks it came in.

A Shut You Can See: Can you tell the lid is down without opening it? The canning test: "If you can pull the lid off with your hands it's not sealed." My canister lids had stopped pressing down six months in, and I never noticed.

One Bag Stays One Bag: Does each new bag go into its own container, or get poured on top of what's already there? I poured a new bag of rice on top of the old rice, and that's how mine got in.

Easy Every Day: Will you still do it on a Sunday when Ava and I are baking and the flour gets opened and shut ten times?


Our Top 5 Ways to Store Dry Food

#1

#1: Vacuum-Sealed Glass Jars(Best overall: the only method that scored high on all four)

Kalda Jar Sealer on a jar of rice
Overall Grade
A
Our Score
9.4/10

Vacuum-sealed glass took the #1 spot because it's the only method where the walls can't be chewed and you can see the lid is down.

A small cordless pump sits on the jar lid and pulls it down flat. It stops on its own when the jar is sealed, in 30 to 60 seconds.

When Mom showed me, she handed my husband a sealed jar and told him to open it. He couldn't get the lid off with his fingers.

Then her storeroom rule came home with me. Every new bag goes into its own few jars, about a week's worth each, so a bad bag stays in one jar.

Kalda: 2 sealers for $90.00 · Free US shipping at $50

See The Sealer Mom Uses →
Chew-Proof Walls
10
A Shut You Can See
9.8
One Bag Stays One Bag
9.5
Easy Every Day
8.3

PROS

✓Glass walls, like the jars Grandma kept her flour in, so nothing chews through
✓The lid is pulled down flat: Mike couldn't get one off with his fingers
✓Fits wide and regular mason jars: my whole pantry was in glass in two weeks
✓Cordless, charges over USB-C, stops by itself after 30 to 60 seconds a jar
✓Replaced free if it stops sealing in the first year

CONS

✗Costs more than a bag clip: $49.99 for one sealer, jars not included
✗You reseal after every scoop, under a minute a jar on baking Sundays
✗Dry food only: rice, flour, oats, beans, nuts, pet food. Wet food stays in the fridge

Bottom line: it's the only method here that keeps each bag to itself and shows you the lid is down from across the room.

🛡️ Backed by a 1-year replacement

The cheap pumps are why so many people gave up on jar sealers. The one Mom uses now comes from a company called Kalda, and if it stops sealing in the first year, they send you a new one.

What People Say After They Move Food Into Jars

These are real posts from food-storage threads on Reddit, word for word. They aren't Kalda customers.

A kitchen cupboard of glass jars with retired plastic canisters stacked on the top shelfJars of dry food shut with flat lids

Illustrations, not customer photos. Left: my cupboard after the switch, the retired plastic canisters on the top shelf. Right: jars shut with flat lids, one bag per set.

Reddit, r/preppers

"All the seal jars were fine no issue but sure enough I had a bag sitting around that I hadn't put in a jar yet and it had some weevils in it."

Reddit, r/ZeroWaste

"I'm so glad almost everything was already in a container they couldn't access. We lost very little food because most of it was contained."

Reddit, r/preppers

"The ones for short term use are kept in separate jars so I don't have to deal with moth infestation in my pantry ever again."

Kalda: 2 sealers for $90.00 · Free US shipping at $50

See The Sealer Mom Uses →

Free US shipping at $50 · Replaced free for a year

#2

#2: Glass Jars With Screw Lids(The best of the no-gadget options)

A jar of oats with its screw lid half a turn loose and weevils at the rim
Overall Grade
B+
Our Score
8.0/10

This is what Ohio State recommends: insect-proof containers of glass, metal or plastic "with tight-fitting lids, ideally screw-type." It works when the lid is tight.

The catch is checking. A screw lid you left half a turn loose looks the same as a tight one, so you only find out by trying each jar.

And big jars invite pouring the new bag in on top of what's left. If that bag came home bad, the whole jar goes.

Chew-Proof Walls
10
A Shut You Can See
6.0
One Bag Stays One Bag
7.5
Easy Every Day
8.5

PROS

✓Glass walls, and the lid Ohio State's fact sheet names
✓Cheap: the same jars Grandma kept her flour in

CONS

✗You can't tell a loose lid from a tight one without twisting every jar
✗Big jars get topped off with a new bag, the habit that cost me my rice

Verdict: solid, and below #1 for one reason. You have to check every lid by hand.

#3

#3: Plastic Canisters and Totes(Neat on day one, harder to check later)

A cloudy, scratched plastic canister of rice with bugs walking up the inside and its bamboo lid sitting loose
Overall Grade
B-
Our Score
6.6/10

Ohio State lists plastic ware with tight-fitting lids as insect-proof, so a good canister with a tight lid does the job. This is what I had: the matching set with the bamboo lids from every pantry video.

About six months in, the lids on my set didn't press down like they used to, and the plastic had gone cloudy. Then I found little brown bugs walking up the inside of the rice canister.

The big ones also get topped off. I poured a new bag of rice in on top of the old rice, and that's how the bugs got into mine.

Chew-Proof Walls
8.0
A Shut You Can See
5.5
One Bag Stays One Bag
5.0
Easy Every Day
8.0

PROS

✓Light, stackable, and tidy on day one, why I bought a whole set
✓A tight lid keeps bugs out, while it stays tight

CONS

✗Mine went cloudy in six months, and the lids stopped pressing down
✗The big rice canister got topped off, and that's how the bugs got in

Verdict: fine while the lids hold. You can't see when they stop.

#4

#4: Clips and Twist Ties on the Store Bag(Closes the top, and the bag stays a bag)

A clipped bag of rice with larvae coming out through a hole in the side
Overall Grade
C
Our Score
4.6/10

A chip clip feels like sealing. Before Mom came over, every bag my canisters didn't fit was clipped shut. It stops spills, and that's about all.

The bag is the same thin plastic or paper as in the store. The larvae go through the side and never come near the clip.

Chew-Proof Walls
2.0
A Shut You Can See
5.5
One Bag Stays One Bag
2.0
Easy Every Day
9.0

PROS

✓Costs almost nothing
✓Stops a bag of oats from spilling across the shelf

CONS

✗The walls are still the thin bag Colorado State says larvae chew through
✗Clipped bags sit side by side, the way my oats sat next to the rice

Verdict: good for spills. It does nothing about the spread.

#5

#5: The Original Store Bag or Box(How most of us do it, and how most bugs get in)

A store bag of grain with a chewed hole, webbing, larvae and moths on the outside
Overall Grade
D
Our Score
3.1/10

The University of California says to store food and bulk goods like pet food "in containers with tight-fitting lids, not plastic bags."

A folded bag or a tucked box flap is the easiest thing on this list. It's also the package the bugs usually came home in. In Mom's storeroom, nothing stayed in the sack it was delivered in.

Chew-Proof Walls
1.0
A Shut You Can See
1.5
One Bag Stays One Bag
1.0
Easy Every Day
9.0

PROS

✓No extra cost or effort: put the groceries away and you're done

CONS

✗Thin walls, open tops, every bag touching the next
✗By the time you spot a bug, UC says it has usually spread to other packages. Mine reached the oats a month later

Verdict: the easiest method, and the one the bag-to-bag spread starts from.

Why Vacuum-Sealed Glass Took the #1 Spot

Every other method on this list has the same weak spot: you can't be sure the bad bag is shut away from the rest. Mom showed me that in one afternoon, my canisters poured out into mixing bowls.

Grandma's Glass: bugs can't chew it, and you can see every grain. My cloudy canisters stopped letting me do that six months in.

The Lid Mike Couldn't Open: pulled down flat by the pump. You can see which lids are down from across the room, and test any of them by hand.

Mom's Storeroom Rule: one bag, one set of jars. Every new bag goes into its own jars, so a bad bag stays in one jar.

A Year Of Backing: Mom's twenty-dollar pump quit after six jars. If the Kalda sealer stops sealing in the first year, Kalda replaces it.

Pantry Storage Guide (So One Bad Bag Stays One Bag)

What to Look For

✓Walls bugs can't chew: glass, metal, or hard plastic, never the paper sack it came in
✓A lid you can check by trying to pull it off, the test Mom handed Mike
✓Each new bag in its own jars, a week's worth per jar, so you open one at a time
✓Mom's habit: freeze a new bag for a few days first, because the eggs come home in the bag

Red Flags to Avoid

✗Moth traps as the fix. I hung two. Colorado State says they attract male moths, and the females keep laying
✗Food left in the store bag "for now", the way my oats sat beside the rice
✗Pouring a new bag on top of the old food, exactly how my rice canister got them
✗A sealer nobody has pull-tested

What It Costs

Kalda is $49.99 for one sealer, $90.00 for two and $127.50 for three. Each one comes with 5 regular and 5 wide mouth lids, a USB-C cable and a lid opener.

Shipping is free in the US on orders over $50. If it stops sealing in the first year, they replace it.

Our Top Pick: Vacuum-Sealed Glass With Kalda
The Kalda sealer fits wide and regular mouth jars
✓Pulls the lid down flat in under a minute and stops on its own
✓Fits wide and regular mason jars
✓Cordless, charges over USB-C
✓Replaced free if it stops sealing in year one

Kalda: 2 sealers for $90.00 · Free US shipping at $50

See The Sealer Mom Uses →

Dry food only · Jars not included · Replaced free for a year

Sources: University of California pest program (UC IPM, Pantry Pests) · Colorado State University (Indian meal moth) · Ohio State University Extension (Indianmeal moth fact sheet)

Our #1 pick: vacuum-sealed glass
Kalda · Replaced free for a year · Free US shipping at $50
See The Sealer →