Is 4oz jars with lids profitable to sell on Amazon United States?

The niche generates $75K/yr across 56 tracked products. 14 of 16 products launched in the last 360 days are still selling. 90-day search growth is +2.5%. Flapen's verdict: Worth a look (55/100).

How competitive is the 4oz jars with lids niche?

37 brands and 42 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 41% of demand.

What do buyers complain about in 4oz jars with lids?

Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 2.2%.

What does it cost to enter the 4oz jars with lids niche?

Listings span $8.82–$45.32; the average listing price is $21.96 (sweet spot $15–$100). The average incumbent carries 1,449 reviews — the moat a new listing must climb.

4oz jars with lids

Worth a look

Shows no brand lock-in (top 5 brands take 41% of clicks), but a small market ($75K/yr) keeps it on the watch list.

Brand share

Great41%

top-5 brand share — no brand owns this niche

Avg price

Great$21.96

avg listing price — sweet spot $15–$100

Price range

Great$8.82–$45.32

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Great37%

top-5 click share — an open shelf

Returns

Good2.2%

return rate — above 5% kills the launch gate

Conversion

Good5.8%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,448.61

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+2.5%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$75K

$75K/yr · 58K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, 4oz jars with lids is a $75K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 41% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

4oz jars with lids market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $66K–$88K; units × avg price
Conversion rate: 5.8%
Avg BSR: #143
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 3.5%
Avg brand age: 37 months
Avg seller age: 180 days

Competition & brand share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

37 rising

Sellers

Top-5 brand share

41%

Top 20: 86%

Top-5 click share

37%

Top 20: 73%

Open market

54%

Eternal Moment12%
Panxxsen10%
TUZAZO7%
ComSaf6%
PYYZHALI6%
Loretoy6%

Demand

Weekly Amazon search volume, last 48 weeks — +2.5% search growth over the last 90 days.

Open Trend

Top 4oz jars with lids search terms

4oz jars with lids30K/yr +4.9%4.0% conv.
4oz jars21K/yr -1.1%3.9% conv.
4 ounce jars4K/yr +20.6%4.0% conv.
4 ounce jars with lids4K/yr -11.3%5.2% conv.

All search terms

Top 4oz jars with lids products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Panxxsen 20 Pack 4oz Clear Plastic Jars with Lids 115ml Wide-Mouth Refillable Storage Containers Empty Round Containers for Candy Beads Lotion Slime Making and Food Storage

Panxxsen$9.924.6★1,023 rev

50 Pack 4 OZ Plastic Jars Round Clear Cosmetic Container with Black Lids Eternal Moment Slime Jars for Lotion Cream Ointments Makeup Eye shadow Rhinestone Samples Pot Travel Storage

Eternal Moment$24.934.7★2,184 rev

ComSaf Mini Mason Jars 4oz - 8 Pack Regular Mouth Mason Jar with Lids and Seal Bands Small Glass Canning Jar for Spice Jam Honey Jelly Dessert Shower Wedding Favors DIY Candles Decor

ComSaf$11.934.7★4,668 rev

50 Pack 4 oz Clear Plastic Jars with Lids - Small/Mini Containers for Slime Ointments Lip Balm Creams Samples Eyeshadow Travel Storage Makeup Lotion and Body Butter

PYYZHALI$17.524.4★226 rev

Loretoy 36 Pack 4 OZ Plastic Jars with Lids BPA Free Reusable Refillable Transparent Cosmetic Containers for Bath Salts Cosmetics Powders Beauty Product and Small Accessories

Loretoy$19.784.7★863 rev

Newest

by launch date

Alotpower 4 oz Glass Small Mason Jars with Embossed Pattern 24 Pack

Alotpower$20.99140 rev

8mo ago

4 oz Small Glass Jars with Lids Bumobum Clear Cosmetic Jars with Plastic Woodgrain Lids 120ml Refillable Empty Containers for Cream Salve Powders and Lotion Storage 4 Pack

Bumobum$9.55106 rev

8mo ago

4 Pack 4 oz Small Mason Jars with Leakproof Lids Regular Mouth Mason Jars | 4 oz Glass Jars with Lids for Honey Jam Snacks Spices DIY Candles & Crafts

Tecohouse$8.8299 rev

9mo ago

STARSIDE 4 oz Glass Mason Jars with Airtight Silver Lids and Bands 40-Pack with Stickers Tags & Twines Mini Canning Jars for Jams Honey Spices Dried Snacks DIY Crafts Wedding Favors

STARSIDE$27.641,158 rev

9mo ago

GLATABAM 4 OZ Salad Dressing Jar 8 Pack Airtight Leakproof Bulk Small Glass Sauce Jar with Lids Reusable for Lunch Box Bento Travel & Meal Prep(4 OZ-8Pack)

GLATABAM$14.69540 rev

10mo ago

What buyers say about 4oz jars with lids

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall20%

“I love the size”

Quality-Overall17%

“Amazing quality”

Value For Money8%

“Excellent Value”

Advertised Vs Actual Product7%

“Gets the job done”

Storage Capacity7%

“Easy to store”

Ease Of Use5%

“Easy to use”

Leak-Proof5%

“did not leak”

Gifting Purpose4%

“cute for gift giving”

Strength3%

“Not too flimsy”

Durability3%

“Appear durable and good price”

What buyers complain about

Size-Overall19%

“too big”

Leak-Proof9%

“They leak”

Durability8%

“Break too easily”

Quality-Overall7%

“Cheap quality”

Rusts/Corrodes5%

“Lids rust easily”

Ease Of Use4%

“Hard to open”

Advertised Vs Actual Product4%

“the picture shows no images on the lid”

Value For Money3%

“Looks like they would cost more”

Storage Capacity3%

“Takes up way too much space in my kitchen”

Strength3%

“They're pretty flimsy”

Top return reasons

Size-Overall76%

Advertised Vs Actual Product5%

Value For Money4%

Material Quality3%

Quality-Overall3%

Leak-Proof2%

Functionality-Overall1%

Defective Material/Parts1%

Storage Capacity1%

Smell0%

Common questions

Is 4oz jars with lids profitable to sell on Amazon United States?: The niche generates $75K/yr across 56 tracked products. 14 of 16 products launched in the last 360 days are still selling. 90-day search growth is +2.5%. Flapen's verdict: Worth a look (55/100).
How competitive is the 4oz jars with lids niche?: 37 brands and 42 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 41% of demand.
What do buyers complain about in 4oz jars with lids?: Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 2.2%.
What does it cost to enter the 4oz jars with lids niche?: Listings span $8.82–$45.32; the average listing price is $21.96 (sweet spot $15–$100). The average incumbent carries 1,449 reviews — the moat a new listing must climb.