Is long shower curtain liner profitable to sell on Amazon United States?

The niche generates $334K/yr across 11 tracked products. 90-day search growth is +10.2%. Flapen's verdict: Skip it (43/100).

How competitive is the long shower curtain liner niche?

9 brands and 16 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in long shower curtain liner?

Top complaints mined from reviews: Thickness, Quality-Overall, Size-Overall. The return rate is 1.8%.

When does demand for long shower curtain liner peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the long shower curtain liner niche?

Listings span $7.98–$14.85; the average listing price is $11.17 (sweet spot $15–$100). The average incumbent carries 57,253 reviews — the moat a new listing must climb.

long shower curtain liner

Skip it

A deep review moat (57,253 avg reviews) — this niche doesn't clear our bar today.

Conversion

Great11.6%

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

Returns

Great1.8%

return rate — above 5% kills the launch gate

Market size

Good$334K

$334K/yr · 258K searches

Avg price

Okay$11.17

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+10.2%

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

Brand share

Okay87%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Review moat

Bad57,253.36

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$7.98–$14.85

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

According to Flapen's Amazon United States niche tracking, long shower curtain liner is a $334K/yr Amazon United States market (258K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 43/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

long shower curtain liner market data

Units sold / yr: 25K–30K; avg 1,500–2,000/product
Revenue / yr: $279K–$335K; units × avg price
Conversion rate: 11.6%
Avg BSR: #11
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 49 months
Avg seller age: 194 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

AmazerBath55%
Titanker12%
Seenus9%
ALYVIA SPRING7%
Barossa Design4%
Mrs Awesome4%
Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +10.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top long shower curtain liner search terms

long shower curtain liner165K/yr +10.0%8.9% conv.
shower curtain liner long42K/yr -5.5%9.4% conv.
long shower liner28K/yr +20.7%9.1% conv.
shower liner long24K/yr +35.5%7.6% conv.

All search terms

Top long shower curtain 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

AmazerBath Extra Long Shower Curtain Liner Clear 84 Inches Long 72x84 Plastic Curtain Liner Cute PEVA Tall Shower Liner for Bathroom with 3 Magnets

AmazerBath$9.774.4★67,691 rev

AmazerBath Clear Shower Curtain Liner 72x78 Long Plastic Shower Curtain Liner Waterproof PEVA Shower Liner Cute Lightweight Shower Curtains for Bathroom with 3 Magnets and 12 Rustproof Grommets

AmazerBath$8.294.4★67,691 rev

Titanker Extra Long Shower Curtain Liner 72 x 84 Clear Plastic Shower Liner PEVA Waterproof Lightweight Shower Curtain with Liner for Bathroom with Magnets and Grommets

Titanker$8.094.5★20,019 rev

Seenus Extra Long Waterproof Fabric Shower Curtain Liner with 3 Large Magnets 72 x 78 inch Long Cloth Shower Liner Machine Washable White Lightweight Shower Curtain Long for Bathroom

Seenus$13.614.5★1,818 rev

ALYVIA SPRING Extra Long Fabric Shower Curtain Liner Waterproof - 72 x 84 Soft & Lightweight XL Shower Curtain with Magnets Machine Washable - 72x84 White

ALYVIA SPRING$14.854.5★59,827 rev

Newest

by launch date

Seenus Extra Long Waterproof Fabric Shower Curtain Liner with 3 Large Magnets 72 x 78 inch Long Cloth Shower Liner Machine Washable White Lightweight Shower Curtain Long for Bathroom

Seenus$13.611,818 rev

1y ago

Mrs Awesome Extra Long Shower Curtain Liner with Magnets 72x84 XL Clear PEVA Shower Liner Long Plastic Shower Curtain for Bathroom Lightweight & Waterproof 72 x 84 Clear

Mrs Awesome$7.9833,363 rev

3y ago

ALYVIA SPRING Extra Long Fabric Shower Curtain Liner Waterproof - 72 x 84 Soft & Lightweight XL Shower Curtain with Magnets Machine Washable - 72x84 White

ALYVIA SPRING$14.8559,827 rev

4y ago

EurCross 9G Clear Shower Curtain Liner 72 x 78 inches Long with 5 Magnet Weights Heavy Duty Weighted Premium PEVA Plastic Shower Curtain Liner for Bathroom Without Hooks

EurCross$13.205,980 rev

5y ago

Titanker Extra Long Shower Curtain Liner 72 x 84 Clear Plastic Shower Liner PEVA Waterproof Lightweight Shower Curtain with Liner for Bathroom with Magnets and Grommets

Titanker$8.0920,019 rev

6y ago

What buyers say about long shower curtain liner

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

What buyers love

Quality-Overall22%

“Decent quality”

Advertised Vs Actual Product12%

“Exactly what I needed”

Value For Money9%

“Good Value”

Size-Overall9%

“Fit great”

Durability4%

“And durable”

Thickness4%

“Nice thickness”

Weight Heavy3%

“Nice and heavy”

Weight Light3%

“Light and easy to hang”

Water Resistance3%

“strong water resistance”

Assembly/Installation3%

“Well put together”

What buyers complain about

Thickness18%

“Not as thick as it says”

Quality-Overall10%

“Poor quality”

Size-Overall8%

“Too short”

Magnetic Strength/Adsorption7%

“The magnets don't work”

Weight Heavy6%

“Heavy”

Material Quality6%

“Flimsy material, otherwise as described”

Strength5%

“Too flimsy”

Thin4%

“Very thin”

Weight Light3%

“Very lightweight not 8 gauge as described”

Advertised Vs Actual Product3%

“False advertising”

Top return reasons

Size-Overall49%

Thin9%

Material Quality8%

Advertised Vs Actual Product7%

Quality-Overall4%

Value For Money3%