Is 15x30 pool liner profitable to sell on Amazon United States?

The niche generates $18K/yr across 25 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +65.7%. Flapen's verdict: Skip it (44/100).

How competitive is the 15x30 pool liner niche?

8 brands and 12 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in 15x30 pool liner?

Top complaints mined from reviews: Size-Overall, Defective Material/Parts, Thickness. The return rate is 1.7%.

When does demand for 15x30 pool liner peak?

Demand peaks in Apr–May–Jun; the busiest month runs 5.6× the quietest.

What does it cost to enter the 15x30 pool liner niche?

Listings span $49.92–$519.01; the average listing price is $337.56 (sweet spot $15–$100). The average incumbent carries 510 reviews — the moat a new listing must climb.

15x30 pool liner

Skip it

Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Returns

Great1.7%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Great+65.7%

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

Review moat

Good509.64

avg incumbent reviews — the moat a new listing must climb

Competition

Okay55%

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

Brand share

Okay89%

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

Avg price

Okay$337.56

avg listing price — sweet spot $15–$100

Price range

Bad$49.92–$519.01

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

Market size

Bad$18K

$18K/yr · 22K searches

Conversion

Bad0.3%

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

Signals High Price

According to Flapen's Amazon United States niche tracking, 15x30 pool liner is a $18K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Apr–May–Jun. Verdict: Skip it — 44/100.

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

15x30 pool liner market data

Units sold / yr: 100–250; avg 0–100/product
Revenue / yr: $34K–$84K; units × avg price
Conversion rate: 0.3%
Avg BSR: #169
Page quality: 0%
Prime: 28%
Sponsored: 88%
Out of stock: 9.9%
Avg brand age: 43 months
Avg seller age: 202 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

55%

Top 20: 93%

Open market

Smartline34%
Blue Wave25%
Pureline14%
VEVOR10%
Swimline6%
Happybuy5%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 57 weeks — +65.7% search growth over the last 90 days.

Peak months: Apr, May, Jun · busiest ÷ quietest = 5.6×

Open Trend

Top 15x30 pool liner search terms

15x30 oval pool liner11K/yr +41.4%0.9% conv.
15x30 pool liner6K/yr +75.3%0.4% conv.
oval pool liner4K/yr +128.8%0.3% conv.

All search terms

Top 15x30 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.

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

Blue Wave Evening Bay 15-ft x 30-ft Oval Overlap Pool Liner for Above-Ground Steel Wall Pools Weather-Resistant Standard-Gauge Vinyl with Welded Seams for 48/54-In Depth Walls - Dark Blue

Blue Wave$328.414.0★59 rev

Pureline 15 ft x 30 ft Oval Overlap Pool Liner Above Ground Pool 48-52 Wall Aqua Marble Standard Gauge

Pureline$328.064.1★55 rev

Smartline$499.954.6★585 rev

VEVOR 15 x 30 ft Oval Pool Liner Overlap Style Above Ground Pool Liners 48-to-54inch Wall Height Durable Pool Liner Standard Gauge Vinyl for Steel Sided Above-Ground Swimming Pools

VEVOR$233.714.3★231 rev

Smartline$296.062.6★5 rev

Newest

by launch date

Swimline Unibead Pool Liner for Above Ground Pools Crystal Tile 15 x 30 Oval 54 Inch Wall 25 Gauge

Swimline$519.0128 rev

4mo ago

Swimline Overlap Pool Liner for Above Ground Pools Cracked Glass 15 x 30 (Oval) 48/52 Inch Wall 25 Gauge

Swimline$373.2844 rev

6mo ago

Swimline Overlap Pool Liner for Above Ground Pools Caribbean 15 x 30 (Oval) 48/52 Inch Wall 25 Gauge

Swimline$388.6744 rev

6mo ago

Smartline$298.56435 rev

9mo ago

Happybuy 15 x 30 ft Oval Overlap Pool Liner for Steel Sided Pools. Wall Height Ranging from 48-54 inches Made of Durable Standard Gauge Vinyl Ensuring Long

Happybuy$268.145 rev

1y ago

What buyers say about 15x30 pool liner

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

What buyers love

Quality-Overall38%

“Good quality”

Color19%

“Great product love the color”

Size-Overall13%

“Fit perfectly”

Value For Money10%

“Much cheaper than the pool stores”

Assembly/Installation10%

“Wasn't that bad as far as installing”

Thickness4%

“Very thick and appears well made”

What buyers complain about

Size-Overall17%

“Doesnt fit right”

Defective Material/Parts17%

“RIPPED LINER Product defective”

Thickness17%

“Very thin liner”

Leak-Proof17%

“Installed and havent even filled the pool all the way and its leaking”

Advertised Vs Actual Product8%

“False advertisement”

Material Quality8%

“More like a peice of felt”

Quality-Overall8%

“Cheap”

Top return reasons

Size-Overall55%

Thin7%

Advertised Vs Actual Product6%

Thickness6%

Quality-Overall4%

Rusts/Corrodes3%

Material Quality3%

Ease Of Use2%

Shape/Style2%

Functionality-Overall2%

Common questions

Is 15x30 pool liner profitable to sell on Amazon United States?: The niche generates $18K/yr across 25 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +65.7%. Flapen's verdict: Skip it (44/100).
How competitive is the 15x30 pool liner niche?: 8 brands and 12 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in 15x30 pool liner?: Top complaints mined from reviews: Size-Overall, Defective Material/Parts, Thickness. The return rate is 1.7%.
When does demand for 15x30 pool liner peak?: Demand peaks in Apr–May–Jun; the busiest month runs 5.6× the quietest.
What does it cost to enter the 15x30 pool liner niche?: Listings span $49.92–$519.01; the average listing price is $337.56 (sweet spot $15–$100). The average incumbent carries 510 reviews — the moat a new listing must climb.