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61

pool liner

Worth a look

Shows demand growing +106.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 70Growth 94Conversion 10Competition 67Returns 85Price range 19Avg price 41Brand share 30Review moat 70Quality gap 77

Growth

Great+106.6%

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

Returns

Great1.5%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$736K

$736K/yr · 381K searches

Review moat

Good714.85

avg incumbent reviews — the moat a new listing must climb

Competition

Good45%

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

Avg price

Okay$232.55

avg listing price — sweet spot $15–$100

Brand share

Okay87%

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

Price range

Bad$20.62–$447.59

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

Conversion

Bad0.8%

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

According to Flapen's Amazon United States niche tracking, pool liner is a $736K/yr Amazon United States market (381K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 61/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

pool liner market data

Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
$581K–$698K
units × avg price
Conversion rate
0.8%
Avg BSR
#182
Page quality
0%
Prime
50%
Sponsored
97%
Out of stock
9.8%
Avg brand age
40 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

25

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

45%

Top 20: 85%

Open market

8%

  • Smartline33%
  • Swimline18%
  • VEVOR17%
  • Blue Wave12%
  • Shop Square8%
  • ToLanbbt5%
  • Open — no brand owns it (4 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +106.6% search growth over the last 90 days.
20K15KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 14.1×

Top pool liner search terms

  • pool liner139K/yr
  • pool liners36K/yr
  • above ground pool liner29K/yr
  • pool liners for above ground pools18K/yr
  • pool liner 24 ft round above ground25K/yr
  • 24 ft round pool liner14K/yr
  • 24 round pool liner11K/yr
  • 24 foot round pool liner10K/yr
  • pool liners 24 ft round17K/yr
  • coleman pool liner9K/yr
All search terms

Top pool liner 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.

0%5%$37K10%$74K15%$110K20%$147K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about pool liner

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

What buyers love

Quality-Overall23%

“Good quality and easy to install”

Size-Overall14%

“Fits perfect”

Durability7%

“great durability”

Advertised Vs Actual Product7%

“As advertised”

Value For Money6%

“Worth the price”

Assembly/Installation6%

“Easy to install”

Ease Of Use5%

“Easy to use”

Material Quality4%

“The material quality is excellent and very durable”

Strength4%

“Very sturdy”

Thickness3%

“thick enough for us to adjust”

What buyers complain about

Thickness19%

“not as thick as I thought when I bought”

Leak-Proof10%

“Leaked”

Durability9%

“It tore before we even got water in it”

Quality-Overall8%

“Terrible quality and totally inefficient”

Material Quality5%

“The material they use is a little stiffer than I would have liked”

Value For Money5%

“Not worth the price”

Size-Overall4%

“a bit smaller than 12 feet”

Flexibility3%

“It isn't flexible at all”

Advertised Vs Actual Product3%

“Its not what it looks like”

Assembly/Installation3%

“Had to install because my pool installer drove 2 hours away to come and install and luckily he had gaskets because it said it came with some and there wasnt any”

Top return reasons

Size-Overall54%
Material Quality7%
Thin6%
Advertised Vs Actual Product4%
Thickness4%
Value For Money3%
Functionality-Overall2%
Assembly/Installation2%
Defective Material/Parts2%
Water Resistance1%

Common questions

Is pool liner profitable to sell on Amazon United States?
The niche generates $736K/yr across 34 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is +106.6%. Flapen's verdict: Worth a look (61/100).
How competitive is the pool liner niche?
10 brands and 25 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in pool liner?
Top complaints mined from reviews: Thickness, Leak-Proof, Durability. The return rate is 1.5%.
When does demand for pool liner peak?
Demand peaks in Apr–May–Jun–Jul; the busiest month runs 14.1× the quietest.
What does it cost to enter the pool liner niche?
Listings span $20.62–$447.59; the average listing price is $232.55 (sweet spot $15–$100). The average incumbent carries 715 reviews — the moat a new listing must climb.