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shower curtain liner 2 pack

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A deep review moat (81,772 avg reviews) — this niche doesn't clear our bar today.

Market size 19Growth 54Conversion 89Competition 23Returns 95Price range 23Avg price 47Brand share 41Review moat 0Quality gap 38

Returns

Incredible0.9%

return rate — above 6% kills the launch gate

Conversion

Great10.6%

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

Growth

Good+26.0%

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

Avg price

Okay$11.69

avg listing price — sweet spot $15–$100

Brand share

Okay80%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad73%

top-5 click share — a locked-up shelf

Price range

Bad$4.54–$18.16

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

Market size

Bad$78K

$78K/yr · 63K searches

Review moat

Bad81,771.85

avg incumbent reviews — the moat a new listing must climb

Competition

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

14

Top-5 brand share

80%

Open market

13%

  • AmazerBath33%
  • EHZNZIE24%
  • downluxe8%
  • BigFoot8%
  • LiBa8%
  • Mrs Awesome7%
  • Open — no brand owns it (3 brands, 13%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$8K20%$16K30%$23K40%$31K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +26.0% search growth over the last 90 days.
2K2KSpike '24Prime Day '25Spike '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Quality-Overall23%

“Nice quality and very clear”

Value For Money14%

“Best value”

Advertised Vs Actual Product11%

“As Described”

Size-Overall5%

“as described, perfect fit”

Weight Light4%

“Great lightweight shower curtains”

Efficiency4%

“It works very well”

Thickness3%

“Nice thickness”

Ease Of Cleaning3%

“Cleans easy”

Durability3%

“has held up nicely with daily use”

Magnetic Strength/Adsorption3%

“Effective, Magnets Keep It in Place”

What buyers complain about

Thickness23%

“It is not as thick as I thought it would be”

Quality-Overall11%

“Average quality”

Thin7%

“Cheap extremely thin quality”

Magnetic Strength/Adsorption7%

“Magnets are not very strong”

Strength5%

“not strong enough”

Material Quality5%

“Cheap material”

Weight Light4%

“a little lighter material than expected”

Durability3%

“Not durable”

Size-Overall3%

“Too big”

Value For Money3%

“Wasn't worth the price”

Top return reasons

Size-Overall36%
Thin15%
Material Quality10%
Quality-Overall7%
Advertised Vs Actual Product6%
Value For Money6%
Magnetic Strength/Adsorption3%
Thickness3%
Color2%
Strength1%