Is mason jar with clamp lid profitable to sell on Amazon United States?

The niche generates $38K/yr across 34 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Skip it (45/100).

How competitive is the mason jar with clamp lid niche?

27 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 57% of demand.

What do buyers complain about in mason jar with clamp lid?

Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Rusts/Corrodes. The return rate is 2.2%.

When does demand for mason jar with clamp lid peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 3.3× the quietest.

What does it cost to enter the mason jar with clamp lid niche?

Listings span $9.89–$125.34; the average listing price is $29.52 (sweet spot $15–$100). The average incumbent carries 2,002 reviews — the moat a new listing must climb.

mason jar with clamp lid

Skip it

A small market ($38K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$29.52

avg listing price — sweet spot $15–$100

Brand share

Great57%

top-5 brand share — no brand owns this niche

Price range

Good$9.89–$125.34

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

Returns

Good2.2%

return rate — above 5% kills the launch gate

Competition

Good48%

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

Review moat

Okay2,001.76

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+3.8%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

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

Market size

Bad$38K

$38K/yr · 84K searches

According to Flapen's Amazon United States niche tracking, mason jar with clamp lid is a $38K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 45/100.

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

mason jar with clamp lid market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $44K–$59K; units × avg price
Conversion rate: 1.5%
Avg BSR: #584
Page quality: 0%
Prime: 97%
Sponsored: 88%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 178 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 rising

Sellers

Top-5 brand share

57%

Top 20: 92%

Top-5 click share

48%

Top 20: 83%

Open market

38%

Rainforce20%
Brajttt18%
Peokuaey7%
Panxxsen6%
novelinks6%
Ritayedet5%

Demand & seasonality

Weekly Amazon search volume, last 83 weeks — +3.8% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 3.3×

Open Trend

Top mason jar with clamp lid search terms

glass jars bulk13K/yr +0.3%1.1% conv.
jars bulk11K/yr +10.3%1.2% conv.
bulk jars10K/yr -2.3%1.8% conv.
bulk glass jars8K/yr -10.5%1.0% conv.
bulk jars with lids9K/yr -6.7%0.9% conv.
glass jars for crafts6K/yr +29.9%1.3% conv.
jars for crafts7K/yr +15.4%1.0% conv.
bulk glass jars with lids5K/yr -5.7%0.4% conv.
glass jars with lids bulk5K/yr +8.2%1.2% conv.
jars with lids bulk4K/yr +16.0%0.9% conv.

All search terms

Top mason jar with clamp lid 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

Brajttt 7 oz Glass Jars with Lids Mini Yogurt Jars 30 Pack Apothecary Jars

Brajttt$26.024.7★8,598 rev

Rainforce Mason Jars 12 oz 20 Pack Glass Jars with Silver Lids food Storage

Rainforce$27.164.6★1,760 rev

8 oz Mason Jars with Airtight Silver Lids - 30 Pack Small Glass Jars Set with Labels Twine & Mesh Bags - Wide Mouth Canning Jars for Party Favors Baby Shower Wedding & Bulk Crafts

Peokuaey$25.594.7★393 rev

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$9.894.6★1,085 rev

Rainforce Mason Jars 8 oz 30 Pack Small Glass Caning Jars with Silver Lids

Rainforce$28.954.6★4,374 rev

Newest

by launch date

8 oz Mason Jars with Airtight Silver Lids - 30 Pack Small Glass Jars Set with Labels Twine & Mesh Bags - Wide Mouth Canning Jars for Party Favors Baby Shower Wedding & Bulk Crafts

Peokuaey$25.59393 rev

10mo ago

60 Pack 4 Oz Plastic Containers with Lids OBKJJ Clear Travel Size Leak Proof Makeup Travel Containers BPA Free Cosmetic Slime Jars for Lotion Cream Body Butter Makeup Ointments (60)

OBKJJ$28.73214 rev

1y ago

Glass Jars with Lids Eco-Friendly Cosmetic Containers with Airtight Black Lids & Liners Multi-Color Options for Cream Lotion Body Butter DIY Skincare Travel Jars (Clear 4oz)

NOOEEISS$34.56177 rev

2y ago

Tinideya 154 Pcs DIY Pressed Flowers Mason Jar Set Pressed Flower Lanterns 12 Mason Jar 140 Natural Real Dried Flower Centerpiece Making Favor for Wedding Craft

Tinideya$44.8918 rev

2y ago

SHOWIN 10 OZ Thick Candle Jars for Making Candles 15 Pcs Empty Jars with Wood Lids for Candle Making Sample Container Clear

SHOWIN$33.89896 rev

3y ago

What buyers say about mason jar with clamp lid

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

What buyers love

Quality-Overall23%

“the quality has been consistent every time”

Size-Overall20%

“Great size”

Value For Money13%

“Excellent price”

Advertised Vs Actual Product7%

“Exactly what I needed”

Gifting Purpose5%

“Perfect for DIY gifts”

Strength4%

“they seem very sturdy”

Durability4%

“Reliable and durable”

Ease Of Use4%

“So convenient”

Storage Capacity3%

“it holds a pretty good amount”

Ease Of Cleaning2%

“Easy to clean and use”

What buyers complain about

Size-Overall16%

“Small jars”

Advertised Vs Actual Product7%

“The listing does not show it”

Rusts/Corrodes7%

“Lids rust quickly”

Quality-Overall6%

“Very poor quality glass”

Leak-Proof6%

“causing some leaking of the contents”

Thickness6%

“More like a thick plastic”

Ease Of Use5%

“Difficult to use”

Strength4%

“flimsy and melted on the top rack of the dishwasher”

Durability4%

“all broke within 6 months of use”

Value For Money3%

“They are cheaper here”

Top return reasons

Size-Overall80%

Value For Money6%

Advertised Vs Actual Product5%

Material Quality3%

Quality-Overall2%

Functionality-Overall1%

Product Condition0%

Leak-Proof0%

Smell0%

Ease Of Use0%

Common questions

Is mason jar with clamp lid profitable to sell on Amazon United States?: The niche generates $38K/yr across 34 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Skip it (45/100).
How competitive is the mason jar with clamp lid niche?: 27 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in mason jar with clamp lid?: Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Rusts/Corrodes. The return rate is 2.2%.
When does demand for mason jar with clamp lid peak?: Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 3.3× the quietest.
What does it cost to enter the mason jar with clamp lid niche?: Listings span $9.89–$125.34; the average listing price is $29.52 (sweet spot $15–$100). The average incumbent carries 2,002 reviews — the moat a new listing must climb.