Is small ball jars profitable to sell on Amazon United States?

The niche generates $80K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.8%. Flapen's verdict: Skip it (44/100).

How competitive is the small ball jars niche?

7 brands and 36 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in small ball jars?

Top complaints mined from reviews: Size-Overall, Rusts/Corrodes, Advertised Vs Actual Product. The return rate is 1.4%.

When does demand for small ball jars peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.2× the quietest.

What does it cost to enter the small ball jars niche?

Listings span $8.70–$90.01; the average listing price is $27.61 (sweet spot $15–$100). The average incumbent carries 1,239 reviews — the moat a new listing must climb.

small ball jars

Skip it

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$27.61

avg listing price — sweet spot $15–$100

Price range

Great$8.70–$90.01

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

Returns

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Good6.2%

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

Review moat

Good1,239

avg incumbent reviews — the moat a new listing must climb

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+6.8%

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

Market size

Bad$80K

$80K/yr · 47K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad96%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, small ball jars is a $80K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 44/100.

Data updated Aug 5, 2026 · scored weekly · How we score niches

small ball jars market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $69K–$83K; units × avg price
Conversion rate: 6.2%
Avg BSR: #437
Page quality: 0%
Prime: 83%
Sponsored: 89%
Out of stock: 2.3%
Avg brand age: 42 months
Avg seller age: 161 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 rising

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

Ball74%
Mcupper6%
UrSpeedtekLive6%
ComSaf6%
VERONES5%
CycleMore2%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.8% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.2×

Open Trend

Top small ball jars search terms

ball jars 4 oz14K/yr -8.0%3.2% conv.
ball 4 oz mason jars with lids6K/yr +11.4%4.1% conv.
ball mason jars 4 oz8K/yr -18.1%2.9% conv.
4 oz ball jars6K/yr +28.2%3.5% conv.
ball canning jars 4 oz3K/yr +129.7%3.4% conv.
4 oz ball jars with lids3K/yr +133.2%2.6% conv.
4oz ball jars3K/yr +32.3%4.0% conv.
4oz ball mason jars with lids3K/yr -77.3%3.1% conv.

All search terms

Top small ball jars 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ball Wide Mouth Quilted Crystal Jelly Jars with Lids and Bands Used for Canning Pickling Juice Jam Jelly Quarter Pint Size (4 Ounce (Pack of 6))

Ball$19.864.5★766 rev

Ball Wide Mouth Quilted Crystal Jelly Jars with Lids and Bands Used for Canning Pickling Juice Jam Jelly Quarter Pint Size (4 Ounce (Pack of 8))

Ball$22.534.5★766 rev

UrSpeedtekLive 40 Pack 4 oz Mason Jars with Lids Small Canning Jars

UrSpeedtekLive$28.114.7★233 rev

ComSaf Mini Mason Jars 4 oz 8 Pack Regular Mouth Glass Jars with Lids

ComSaf$11.934.7★4,848 rev

Ball - 4 oz Regular Mouth Glass Mason Jars | 11 Pack Jars with Airtight Lids | Large Glass Jar for Food Storage with Lids | Ideal for Canning Fermentation Pickling Kombucha Brewing | Set of 11

Ball$27.594.7★24 rev

Newest

by launch date

FORJARS Premium Mason Jars with Lids 4oz | Regular Mouth Canning Jars | 12-Pack Glass Jars for Jam Jelly Honey Spices Desserts Sauces Food Storage Freezer Safe Airtight Bulk Set

FORJARS$19.24129 rev

11mo ago

Ball - 4 oz Regular Mouth Glass Mason Jars | 11 Pack Jars with Airtight Lids | Large Glass Jar for Food Storage with Lids | Ideal for Canning Fermentation Pickling Kombucha Brewing | Set of 11

Ball$27.5924 rev

1y ago

UrSpeedtekLive 40 Pack 4 oz Mason Jars with Lids Small Canning Jars

UrSpeedtekLive$28.11233 rev

1y ago

Ball Wide Mouth Quilted Crystal Jelly Jars with Lids and Bands Used for Canning Pickling Juice Jam Jelly Quarter Pint Size (4 Ounce (Pack of 8))

Ball$22.53766 rev

2y ago

Ball Glass Mini Storage Jar Quarter Pint Size 4 OZ (Pack of 36)

Ball$90.0134 rev

2y ago

What buyers say about small ball jars

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

What buyers love

Size-Overall25%

“Great size”

Quality-Overall16%

“Excellent quality”

Advertised Vs Actual Product15%

“As described”

Value For Money11%

“Good deal”

Gifting Purpose6%

“They were perfect for Christmas gifts I needed them for”

Storage Capacity4%

“They also are handy storage containers”

Durability3%

“Reliable and durable”

Ease Of Use3%

“Ease of use and sturdy”

Strength2%

“Sturdy and ease of use”

Ease Of Cleaning2%

“Easy to clean”

What buyers complain about

Size-Overall22%

“Small jars”

Rusts/Corrodes18%

“Lids rust easily”

Advertised Vs Actual Product13%

“false advertising”

Value For Money7%

“They are cheaper here”

Durability5%

“risking breakage”

Ease Of Use4%

“Mot hard to do”

Quality-Overall3%

“Plastic lids have horrible quality control”

Product Condition3%

“This does not seem like a new product”

Smell3%

“The inside of jar smells like a dead fish”

Thickness2%

“They are quite thin and flimsy, and buckle with the heat”

Top return reasons

Size-Overall80%

Value For Money8%

Advertised Vs Actual Product6%

Quality-Overall1%

Functionality-Overall1%

Smell1%

Rusts/Corrodes1%

Design-Overall1%

Material Quality0%

Product Condition0%

Common questions

Is small ball jars profitable to sell on Amazon United States?: The niche generates $80K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.8%. Flapen's verdict: Skip it (44/100).
How competitive is the small ball jars niche?: 7 brands and 36 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in small ball jars?: Top complaints mined from reviews: Size-Overall, Rusts/Corrodes, Advertised Vs Actual Product. The return rate is 1.4%.
When does demand for small ball jars peak?: Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.2× the quietest.
What does it cost to enter the small ball jars niche?: Listings span $8.70–$90.01; the average listing price is $27.61 (sweet spot $15–$100). The average incumbent carries 1,239 reviews — the moat a new listing must climb.