Is mason jar lids profitable to sell on Amazon United States?

The niche generates $2.5M/yr across 58 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Launch it (63/100).

How competitive is the mason jar lids niche?

30 brands and 55 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in mason jar lids?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Rusts/Corrodes. The return rate is 2.3%.

When does demand for mason jar lids peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the mason jar lids niche?

Listings span $4.89–$33.95; the average listing price is $12.12 (sweet spot $15–$100). The average incumbent carries 2,583 reviews — the moat a new listing must climb.

mason jar lids

Launch it

A $2.5M/yr market growing +6.7% this quarter with returns at 2.3% — clears our launch bar.

Market size

Incredible$2.5M

$2.5M/yr · 2.8M searches

Competition

Great31%

top-5 click share — an open shelf

Conversion

Great7.4%

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Price range

Good$4.89–$33.95

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

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Avg price

Good$12.12

avg listing price — sweet spot $15–$100

Review moat

Okay2,582.64

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+6.7%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, mason jar lids is a $2.5M/yr Amazon United States market (2.8M searches/yr). The top 5 brands hold 67% of demand. Verdict: Launch it — 63/100.

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

mason jar lids market data

Units sold / yr: 150K–200K; avg 3,000–4,000/product
Revenue / yr: $1.8M–$2.4M; units × avg price
Conversion rate: 7.4%
Avg BSR: #40
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 0.0%
Avg brand age: 33 months
Avg seller age: 150 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

30 rising

Sellers

Top-5 brand share

67%

Top 20: 94%

Top-5 click share

31%

Top 20: 67%

Open market

30%

AOZITA25%
Ball17%
Vaincre9%
Dalzom8%
Bedgeta7%
Palksky3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top mason jar lids search terms

mason jar lids1.2M/yr +6.8%4.7% conv.
wide mouth mason jar lids387K/yr +10.9%7.1% conv.
mason jar accessories147K/yr -15.3%0.4% conv.
ball jar lids129K/yr +15.7%6.4% conv.
mason jar lids wide mouth117K/yr -1.8%6.5% conv.
mason jar lid92K/yr +13.4%2.9% conv.
plastic mason jar lids103K/yr +1.2%8.7% conv.
jar lids82K/yr +21.8%3.8% conv.
lids for mason jars59K/yr +15.9%5.0% conv.
regular mouth mason jar lids43K/yr +30.0%7.2% conv.

All search terms

Top mason jar 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

AOZITA 10 WIDE Mouth & 10 REGULAR Mouth Mason Jar Lids - 20 Pack Food Grade Plastic Mason Jar Caps for Ball Kerr and More Canning Jars - Leakproof & Dishwasher Safe - Multicolor

AOZITA$10.034.7★5,249 rev

Vaincre 8PCS Regular Mouth Plastic Mason Jar Lids Leak Proof

Vaincre$5.864.7★1,423 rev

Ball Leak-Proof Plastic Lids for Glass Mason Jars Used for Canning Pickling Juice Jam Jelly (Wide 6 Count (Pack of 2))

Ball$22.184.8★2,854 rev

AOZITA 10 WIDE Mouth & 10 REGULAR Mouth Mason Jar Lids - 20 Pack Food Grade Plastic Mason Jar Caps for Ball Kerr and More Canning Jars - Leakproof & Dishwasher Safe - White

AOZITA$9.994.6★5,415 rev

Ball Jar Lids 5 Pack Ball Jar Wooden Storage Lids

Ball$7.304.7★5,006 rev

Newest

by launch date

Vaincre 8PCS Wide Mouth Leak Proof Mason Jar Lids with Silicone Rings

Vaincre$6.28234 rev

7mo ago

OAKDOLCHE 48 Pcs Regular Mouth Mason Canning Jar Lids(70mm)

OAKDOLCHE$8.15134 rev

8mo ago

Mason Jar Lids Regular Mouth 9 Pack Plastic Leak-Proof Canning Lids

Aitoper$4.89210 rev

10mo ago

[16 Piece]8 Wide Mouth + 8 Regular Mouth Mason Jar Lids Multi Color Plastic Lids for Mason Jars with Silicone Rings Thickened Leak-Proof Canning Lids Regular Wide Mouth

FEBABACI$6.87421 rev

1y ago

Bedgeta 22 Pack Plastic Mason Jar Lids 11 Wide Mouth & 11 Regular Mouth with Silicone Rings Thickened Leak-proof Lids Fit Ball Kerr and More 86mm & 70mm(Multicolored)

Bedgeta$9.93489 rev

1y ago

What buyers say about mason jar lids

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

What buyers love

Size-Overall18%

“Secure fit attractive”

Quality-Overall12%

“Awesome quality”

Leak-Proof11%

“Leak free”

Color8%

“Colors are pretty”

Ease Of Use7%

“Super handy”

Value For Money6%

“Fair price”

Advertised Vs Actual Product6%

“exactly as pictured”

Rusts/Corrodes5%

“No rust”

Ease Of Cleaning4%

“Cleans easily”

Strength3%

“Sturdy and useful”

What buyers complain about

Leak-Proof20%

“It leaks”

Size-Overall13%

“Does not fit”

Rusts/Corrodes7%

“Will rust”

Quality-Overall6%

“Garbage product”

Ease Of Use6%

“Hard to get off”

Value For Money3%

“I would say the price is a bit much”

Durability3%

“doesnt last”

Strength3%

“Not has sturdy”

Ease Of Cleaning2%

“it was a mess”

Handle Quality2%

“Handle is huge”

Top return reasons

Size-Overall77%

Advertised Vs Actual Product6%

Leak-Proof4%

Quality-Overall2%

Value For Money2%

Material Quality2%

Functionality-Overall1%

Color1%

Ease Of Use1%

Compatibility-Overall1%

Common questions

Is mason jar lids profitable to sell on Amazon United States?: The niche generates $2.5M/yr across 58 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Launch it (63/100).
How competitive is the mason jar lids niche?: 30 brands and 55 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in mason jar lids?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Rusts/Corrodes. The return rate is 2.3%.
When does demand for mason jar lids peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the mason jar lids niche?: Listings span $4.89–$33.95; the average listing price is $12.12 (sweet spot $15–$100). The average incumbent carries 2,583 reviews — the moat a new listing must climb.