Lush Food & Drink
Buying Guide

Best Lunch Box Dividers for Keeping Foods Apart

The deciding specification is how many pieces in the pack actually divide food, because two of these kits count novelty picks toward a headline of 100 and 66.

By the Lush Editorial Team·Researched & Compared

  • Researched & ComparedSpecs pulled from the manufacturer listing
  • Like-for-LikeSame measures across every model
  • No Paid PlacementsNobody pays to appear here

I compared piece counts against each maker's own breakdown, plus shapes, published cup sizes, temperature ranges and cleaning guidance across five lunch box divider sets, using each listing's own text.

Our Shortlist

Same Numbers. A Clearer Choice.
Best for knowing the cups will fit
The Silicone Kitchen Reusable Silicone Bento Baking ...

The Silicone Kitchen Reusable Silicone Bento Baking ...

The only set that publishes cup dimensions, and the only one that skips round cups so no corner is wasted.

  • Bento
  • (not listed)
Check Price
Best for cups that hold their shape
24Pack Silicone Muffin Cups

24Pack Silicone Muffin Cups

Twenty four cups in three shapes, claimed thicker than others, with the only published temperature range here.

  • Regular Size
  • (not listed)
Check Price
Best for a child who needs persuading
100PCS Silicone Lunch Box Dividers for Kids

100PCS Silicone Lunch Box Dividers for Kids

Twenty four silicone cups alongside 76 animal food picks, the largest supply of picks on this page.

  • small
  • 0.55 lb
Check Price
Best for a lunch that looks like a treat
LAIYPHO 66PCS Silicone Lunch Box Dividers & Cute Ani...

LAIYPHO 66PCS Silicone Lunch Box Dividers & Cute Ani...

Twenty cups in three shapes plus 46 picks in named dinosaur, giraffe and panda designs.

  • Small
  • (not listed)
Check Price
Best for a lunch with a dressing in it
Bento Box Adult Lunch Box

Bento Box Adult Lunch Box

The divided box itself, with a silicone gasket in every one of its 4 compartments and 4 locking buckles.

  • 1200ML
  • (not listed)
Check Price

Side by Side Comparison

ModelBrandSize (Capacity)WeightBest For
The Silicone Kitchen Reusable Silicone Bento Baking ... The Silicone Kitchen Bento Not listed Best for knowing the cups will fit
24Pack Silicone Muffin Cups SAWNZC Regular Size Not listed Best for cups that hold their shape
100PCS Silicone Lunch Box Dividers for Kids DOUDOULE small 0.55 lb Best for a child who needs persuading
LAIYPHO 66PCS Silicone Lunch Box Dividers & Cute Ani... LAIYPHO Small Not listed Best for a lunch that looks like a treat
Bento Box Adult Lunch Box shell and turtle 1200ML Not listed Best for a lunch with a dressing in it

Each Pick in Detail

1 Best for knowing the cups will fit
The Silicone Kitchen Reusable Silicone Bento Baking ...

The Silicone Kitchen Reusable Silicone Bento Baking ...

The only set that publishes cup dimensions, and the only one that skips round cups so no corner is wasted.

  • Only set that publishes cup sizes, squares of 1.97 inches and rectangles of 1.97 by 3.94
  • All 24 pieces are cups, 16 squares and 8 rectangles, with no round cups to waste a corner
  • Only listing here that names a standard, FDA and European LFGB
  • No round cups, which some compartments suit better
  • Publishes no temperature range, only a list of appliances
Check Price
2 Best for cups that hold their shape
24Pack Silicone Muffin Cups

24Pack Silicone Muffin Cups

Twenty four cups in three shapes, claimed thicker than others, with the only published temperature range here.

  • Only pick publishing a temperature range, minus 104 to 446 degrees Fahrenheit
  • All 24 pieces are cups, in round, square and rectangular shapes to mix and match
  • Claims thicker, sturdier liners that keep their shape under heavy food without tilting
  • Publishes no cup dimensions of any kind
  • Its thickness claim is comparative with no figure behind it
Check Price
3 Best for a child who needs persuading
100PCS Silicone Lunch Box Dividers for Kids

100PCS Silicone Lunch Box Dividers for Kids

Twenty four silicone cups alongside 76 animal food picks, the largest supply of picks on this page.

  • Twenty four silicone cups, the same cup count as either plain 24 piece set
  • Seventy six animal food picks, the largest supply on this page
  • Publishes a weight, 0.55 pounds for the whole kit
  • Advertised as 100 pieces, of which 76 are picks rather than dividers
  • Publishes no cup dimensions, no temperature range and no shape breakdown
Check Price
4 Best for a lunch that looks like a treat
LAIYPHO 66PCS Silicone Lunch Box Dividers & Cute Ani...

LAIYPHO 66PCS Silicone Lunch Box Dividers & Cute Ani...

Twenty cups in three shapes plus 46 picks in named dinosaur, giraffe and panda designs.

  • Names its shapes and its pick designs, including dinosaur, giraffe and panda
  • Twenty cups in round, square and rectangular shapes plus 46 picks
  • Stated dishwasher safe, and offered for baking, dips and freezing treats
  • Fewest dividers of the four cup sets, at 20 of 66 pieces
  • Publishes no cup dimensions, no temperature range and no weight
Check Price
5 Best for a lunch with a dressing in it
Bento Box Adult Lunch Box

Bento Box Adult Lunch Box

The divided box itself, with a silicone gasket in every one of its 4 compartments and 4 locking buckles.

  • Only pick that seals, with a silicone gasket in each compartment and 4 locking buckles
  • Publishes a capacity, 1200 milliliters or 40 ounces, and a size of 6.1 by 8.4 by 2 inches
  • Ships with a spoon, a fork, a sauce jar and 4 silicone muffin liners
  • Its 4 compartments are fixed, so the layout cannot change day to day
  • The lid goes in neither the microwave nor the dishwasher
Check Price

Our Verdict

The Silicone Kitchen is the only pick that publishes cup dimensions, 1.97 inch squares and 1.97 by 3.94 inch rectangles, and the only one naming a standard. SAWNZC is the only one with a temperature range, minus 104 to 446 degrees Fahrenheit. DOUDOULE gives 24 cups and 76 animal picks in its 100 pieces. LAIYPHO gives 20 cups and 46 picks. shell and turtle is the divided box itself, with a gasket in every compartment.

“A hundred pieces can mean twenty four dividers.”

Lush Food & Drink
Good Food
Brighter Days

What Separates These Five

Dividers per pack The Silicone Kitchen and SAWNZC 24 cups each. DOUDOULE 24 of 100 pieces. LAIYPHO 20 of 66.
Published size Only The Silicone Kitchen gives cup sizes, at 1.97 inches square and 1.97 by 3.94 for rectangles.
Heat SAWNZC publishes minus 104 to 446 degrees Fahrenheit. The others list appliances or say nothing.
Sealing Only the divided box seals, with a gasket in every compartment and 4 locking buckles.
Novelty picks DOUDOULE supplies 76 animal picks and LAIYPHO 46 in named designs. The other three supply none.

How We Chose

Dividers, not pieces
Published cup size
Heat range
Sealing
Shape mix
Cleaning

Frequently Asked Questions

How many dividers are in a lunch box divider kit?+

Fewer than the box says, on two of these five. DOUDOULE advertises 100 pieces and its own bullet breaks that into 24 silicone cups and 76 animal food picks. LAIYPHO advertises 66 pieces and breaks down to 20 cups and 46 picks. The Silicone Kitchen and SAWNZC both say 24 and mean 24 cups, so the smaller headline number buys you the same or more dividers.

What shape lunch box divider should I buy?+

Match the shape to the compartment. SAWNZC, DOUDOULE and LAIYPHO all supply round, square and rectangular cups so you can mix them. The Silicone Kitchen deliberately omits round, giving 16 squares of 1.97 inches and 8 rectangles of 1.97 by 3.94, on the logic that a round cup leaves four unusable corners in a rectangular box. For a bento with square wells, skip the round ones.

Can silicone lunch box dividers go in the oven?+

Three of the four cup sets say so. The Silicone Kitchen states its cups are safe in an oven, microwave, air fryer, dishwasher and freezer and stand free on a baking sheet. SAWNZC publishes an actual range, minus 104 to 446 degrees Fahrenheit. LAIYPHO offers its cups for baking muffins and freezing treats. DOUDOULE mentions home baking without naming any appliance or temperature.

Are the animal food picks worth paying for?+

They are consumable in a way the cups are not, so the ratio matters. DOUDOULE supplies 76 picks to 24 cups and LAIYPHO 46 picks to 20 cups, with LAIYPHO naming dinosaur, giraffe and panda designs. If the purpose is getting a child to eat, the picks are the point. If the purpose is keeping a sandwich away from fruit, a 24 cup set with no picks gives you more of what you need.

Is a divided lunch box better than adding dividers?+

It depends whether anything in the lunch is wet. shell and turtle molds 4 compartments into a 1200 milliliter box and puts a silicone gasket in each one under a lid with 4 locking buckles, which is the only sealing anywhere in this data. Silicone cups cannot hold a dressing but they can be rearranged every morning and washed separately, which fixed walls cannot.

Will silicone cups keep wet food out of dry food?+

Partly. Every cup set here makes that claim, and a cup with a raised wall will keep a wet cube of melon from soaking bread beside it. What none of them publishes is a cup depth, so how much liquid a cup holds before it overflows is unknown on all four. For an actual dressing or dip, use a lidded jar, which the divided box supplies and the cup sets do not.

Specifications come from the manufacturers' own published listings. Lush Food & Drink may earn a commission if you buy through a link on this page, at no extra cost to you. How we research.

How the Five Compare on the Numbers

Read the piece counts carefully, because two of these kits count things that are not dividers. DOUDOULE advertises 100 pieces and its own breakdown is 24 silicone cups and 76 animal food picks. LAIYPHO advertises 66 pieces and breaks down to 20 cups and 46 picks. The Silicone Kitchen and SAWNZC both supply 24 pieces and every one of them is a cup, so the smaller number is the larger set of dividers.

Shape mix is the second figure. SAWNZC, DOUDOULE and LAIYPHO all supply round, square and rectangular cups. The Silicone Kitchen skips round entirely, giving 8 rectangles and 16 squares, and it is the only listing here that publishes the cup dimensions: squares of 1.97 inches and rectangles of 1.97 by 3.94. Round cups waste the corners of a rectangular lunch box.

Specification The Silicone Kitchen 24 SAWNZC 24 Pack DOUDOULE 100 Pcs LAIYPHO 66 Pcs shell and turtle Box
Pieces in the pack 24 24 100 66 8 items in one set
Pieces that divide food 24 cups 24 cups 24 cups of 100 20 cups of 66 4 built in compartments plus 4 liners
Shapes Square and rectangle Round, square and rectangular Round, rectangular and square Round, square and rectangular Fixed compartments
Size published Squares 1.97 in, rectangles 1.97 by 3.94 in not published not published not published Box 6.1 by 8.4 by 2 in
Capacity not published not published not published not published 1200 ml, 40 oz, 5 cups
Temperature range not published Minus 104 F to 446 F not published not published not published
Oven Stated safe Stated safe not published Stated for baking muffins not published
Air fryer Stated safe not published not published not published not published
Microwave Stated safe Stated safe not published not published Container only, not the lid
Freezer Stated safe Stated safe not published Stated for freezing treats not published
Dishwasher Stated safe Stated safe Easy to clean, no method Stated safe Container only
Standards named FDA and European LFGB not published not published not published not published
Novelty picks not published not published 76 animal picks 46 picks, dinosaur, giraffe and panda not published
Sealing not published not published not published not published Gasket per compartment, 4 locking buckles
Published weight not published not published 0.55 lb not published not published

What the table cannot tell you is cup depth, which decides whether a filled cup clears the lid of your lunch box. The Silicone Kitchen publishes two plan dimensions and no height, and the other three cup sets publish nothing at all. Since none of the four states a wall thickness either, how well a cup stands up when loaded is a claim rather than a measurement on every one of them.

How Many of the Pieces Actually Divide Anything

Twenty Four Cups, or Twenty Four of a Hundred

The headline number on a divider kit is the first thing to check against its own breakdown. DOUDOULE says 100 pieces on the front and 24 silicone cupcake liners plus 76 animal food picks in the first bullet. LAIYPHO says 66 pieces and breaks down to 20 cups plus 46 picks. Both are accurate. Neither is a hundred dividers or sixty six dividers.

Set against that, The Silicone Kitchen and SAWNZC both publish 24 and mean 24 cups. So a 24 piece set has more dividers than a 66 piece set and the same number as a 100 piece one. If your problem is keeping a sandwich away from grapes, the piece count on the box is close to meaningless and only the cup count matters.

The Picks Are Doing a Different Job

That is not to say the picks are filler. DOUDOULE and LAIYPHO both sell them as a way of getting a child to eat, and LAIYPHO goes as far as naming the designs, dinosaurs, giraffes and pandas, alongside what it calls Morandi colors for the cups. A 76 pick supply lasts a school year, and a pick is genuinely consumable in a way a silicone cup is not.

The difference between those two kits is therefore a ratio rather than a quality. DOUDOULE gives 24 cups to 76 picks and publishes a weight of 0.55 pounds for the lot. LAIYPHO gives 20 cups to 46 picks and publishes no weight, but names its shapes, its designs and its color family. Buy on the ratio you will actually use.

Cups in a Box, or a Box With Walls

What a Silicone Cup Does That a Wall Cannot

A silicone cup moves. That is its whole advantage over a molded compartment: you decide each morning whether today needs four small cups or two large ones, and the cup comes out to be washed separately from the box. All four cup sets here make the same non stick and reusable argument against paper liners, and three of them double as baking cups on a tray.

The Silicone Kitchen pushes that furthest, stating its cups are safe in an oven, a microwave, an air fryer, a dishwasher and a freezer, and that they stand free on a baking sheet without grease or spray. SAWNZC states a temperature range instead and claims its liners are thicker and sturdier so they hold shape under heavy food without tilting in a lunch box.

What a Sealed Compartment Does That a Cup Cannot

A cup cannot hold a dressing, and shell and turtle is on this page because it can. Its 4 compartments are molded into a 1200 milliliter box, and every compartment has its own silicone gasket under a lid held by 4 locking buckles. That is the only sealing described anywhere in this data, and it is the difference between carrying a dip and carrying dry food in separate corners.

It also supplies 4 silicone muffin liners in the box alongside a spoon, a fork and a plastic sauce jar, which is a tacit admission that fixed compartments alone are not enough. Its container goes in a microwave and a dishwasher but the lid does not, and it publishes 6.1 by 8.4 by 2 inches, so unlike the cup sets you can check it against a bag.

Heat, Standards and the Sizes Nobody Publishes

One Temperature Range and One Set of Dimensions

SAWNZC is the only pick on this page with a temperature range: minus 104 to 446 degrees Fahrenheit, safe for ovens, microwaves, refrigerators and dishwashers. That range matters because a silicone cup that goes from a freezer to an oven is doing two jobs, and it is the only figure here you could check a baking instruction against.

The Silicone Kitchen is the only pick that publishes cup dimensions, with squares of 1.97 inches and rectangles of 1.97 by 3.94, and the only one naming a standard, food grade silicone meeting FDA and European LFGB requirements. Between the two of them you have one temperature figure and one size figure, from two different listings, and neither publishes what the other does.

Two Listings Left Out

The first was another 24 piece cup set in round, square and rectangular shapes, 8 of each in 4 colors, published with the same temperature range of minus 104 to 446 degrees Fahrenheit as SAWNZC. Given an identical range and an identical shape mix, these may well be the same cups under two names, so only one is here. Its own bullets also give 446 degrees in one place and 450 in another.

The second was an 80 piece kids kit of 20 silicone cups in three shapes and 60 animal food picks, published at 0.44 pounds. It sits exactly between the two kits already on this page, with fewer cups than DOUDOULE and more picks than LAIYPHO, and it publishes nothing that neither of those two does. Three listings for one idea is two too many.

Which One Fits Your Kitchen

The packer who measures the box first. The Silicone Kitchen is the only pick that publishes cup sizes, 1.97 inch squares and 1.97 by 3.94 inch rectangles, 16 squares and 8 rectangles with no round cups to waste a corner. It names FDA and European LFGB standards and is stated safe in an oven, microwave, air fryer, dishwasher and freezer.

The lunch with something heavy in it. SAWNZC gives 24 cups in round, square and rectangular shapes and is the only pick publishing a temperature range, minus 104 to 446 degrees Fahrenheit. It claims its liners are thicker than others so they keep their shape when filled and do not tilt in a lunch box.

The child who needs persuading to eat. DOUDOULE supplies 100 pieces, of which 24 are silicone cups and 76 are animal food picks, at a published 0.55 pounds. That is the largest supply of picks here and the same cup count as the two plain sets, in food grade silicone stated BPA free and odorless.

The lunch that should look like a treat. LAIYPHO gives 20 cups in three shapes plus 46 animal picks, naming dinosaur, giraffe and panda designs and describing its cup colors as Morandi hues. Stated dishwasher safe and usable for baking, dips and freezing. It publishes no weight and no cup dimensions.

The lunch that includes a dressing. shell and turtle is the divided box itself, 1200 milliliters across 4 compartments at 6.1 by 8.4 by 2 inches, with a silicone gasket in every compartment and 4 locking buckles. It ships with a spoon, a fork, a sauce jar and 4 silicone liners. The container is microwave safe, the lid is not.

What We Could Not Verify

These are sold by the piece, and almost nothing about a single piece is published:

  • Cup depth on all four cup sets, which decides whether a filled cup clears the lid.
  • Wall thickness on all four, although one of them claims to be thicker than the others.
  • Cup dimensions for three of the four sets. Only one publishes any figure at all.
  • A temperature range for four of the five, including the divided box and three cup sets.
  • How many cups of each shape are in the DOUDOULE and LAIYPHO kits, which give only a total.
  • A published weight for four of the five, and any capacity figure for any of the cups.