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

The niche generates $351K/yr across 29 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.4%. Flapen's verdict: Skip it (48/100).

How competitive is the plastic mason jar lids niche?

13 brands and 34 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in plastic mason jar lids?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Rusts/Corrodes. The return rate is 2.4%.

When does demand for plastic mason jar lids peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

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

Listings span $4.85–$22.18; the average listing price is $10.09 (sweet spot $15–$100). The average incumbent carries 2,757 reviews — the moat a new listing must climb.

plastic mason jar lids

Skip it

Strong incumbent ratings (4.6★) — this niche doesn't clear our bar today.

Conversion

Great10.3%

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

Returns

Good2.4%

return rate — above 5% kills the launch gate

Competition

Good51%

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

Market size

Good$351K

$351K/yr · 337K searches

Price range

Okay$4.85–$22.18

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

Review moat

Okay2,756.9

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay$10.09

avg listing price — sweet spot $15–$100

Growth

Okay+6.4%

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

Brand share

Okay85%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, plastic mason jar lids is a $351K/yr Amazon United States market (337K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 48/100.

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

plastic mason jar lids market data

Units sold / yr: 30K–40K; avg 1,000–1,250/product
Revenue / yr: $303K–$404K; units × avg price
Conversion rate: 10.3%
Avg BSR: #71
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 36 months
Avg seller age: 150 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

51%

Top 20: 92%

Open market

11%

AOZITA41%
Ball17%
Bedgeta14%
Vaincre9%
Aitoper4%
Masontops3%
Open — no brand owns it (7 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top plastic mason jar lids search terms

plastic mason jar lids103K/yr +1.2%9.5% conv.
plastic lids for mason jars45K/yr +5.0%9.7% conv.
mason jar plastic lids35K/yr -5.5%8.2% conv.
reusable mason jar lids26K/yr +5.7%6.2% conv.
mason jar lids plastic15K/yr +23.3%8.0% conv.
leak proof mason jar lids8K/yr +141.9%2.4% conv.
ball plastic lids13K/yr +14.9%6.4% conv.
plastic canning jar lids10K/yr +28.7%8.8% conv.
plastic ball jar lids11K/yr -5.3%9.5% conv.
plastic jar lids9K/yr +20.6%8.9% conv.

All search terms

Top plastic 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 - White

AOZITA$9.994.6★5,415 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 - 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

12 Pack REGULAR MOUTH Mason Jar Lids for Compatible with Ball Kerr Regualr Mouth Jars - Plastic Storage Caps for Mason Jars Canning Jars - Leakproof Dishwasher Safe & Food Grade - White

AOZITA$7.904.6★4,167 rev

Ball Mason Jar Leak-Proof Lids Regular Mouth 6-Count

Ball$12.054.8★2,994 rev

Newest

by launch date

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

Aitoper$4.89210 rev

10mo ago

Deluxsa[8 Pack] 4 Wide Mouth & 4 Regular Mouth Mason Jar plastic Lids Fits Ball Kerr & More Storage Caps for Canning Jars Dishwasher Safe & Food Grade & Leakproof

Deluxsa$4.8589 rev

1y 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

Yodecy 8 Pack Gray Regular Mouth Mason Jar Lids Plastic Mason Jar Lids Fit Ball Kerr and More One-piece Lid without Silicone Ring (Gray)

Yodecy$8.90111 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 plastic mason jar lids

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

What buyers love

Size-Overall18%

“Excellent fit”

Color13%

“Colors are pretty”

Quality-Overall9%

“Good quality, easy to clean”

Leak-Proof9%

“They dont leak”

Rusts/Corrodes8%

“No rust”

Ease Of Use6%

“They are so handy”

Value For Money6%

“Fair price”

Ease Of Cleaning5%

“clean up well for re-use”

Advertised Vs Actual Product4%

“Exactly what I needed”

Storage Capacity3%

“Great for storage”

What buyers complain about

Leak-Proof21%

“It leaks”

Size-Overall14%

“They are way too big”

Rusts/Corrodes9%

“Out with the rust”

Ease Of Use7%

“Hard to get off”

Quality-Overall5%

“Not quality”

Value For Money3%

“Cheap and not worth it”

Durability3%

“will break early”

Color3%

“the colors are really pale”

Ease Of Cleaning2%

“There is a gasket that you have to take out and clean and replace after use”

Functionality-Overall2%

“Don't work”

Top return reasons

Size-Overall75%

Advertised Vs Actual Product6%

Leak-Proof3%

Quality-Overall3%

Material Quality3%

Value For Money2%

Functionality-Overall1%

Color1%

Compatibility-Overall1%

Ease Of Use1%

Common questions

Is plastic mason jar lids profitable to sell on Amazon United States?: The niche generates $351K/yr across 29 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.4%. Flapen's verdict: Skip it (48/100).
How competitive is the plastic mason jar lids niche?: 13 brands and 34 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in plastic mason jar lids?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Rusts/Corrodes. The return rate is 2.4%.
When does demand for plastic mason jar lids peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the plastic mason jar lids niche?: Listings span $4.85–$22.18; the average listing price is $10.09 (sweet spot $15–$100). The average incumbent carries 2,757 reviews — the moat a new listing must climb.

plastic mason jar lids

plastic mason jar lids market data

Competition & brand share

Demand & seasonality

Top plastic mason jar lids search terms

Top plastic mason jar lids products on Amazon

Top sellers

Newest

Trending

What buyers say about plastic mason jar lids

What buyers love

What buyers complain about

Top return reasons

Common questions

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