90 inch shower curtain liner
Skip itA deep review moat (61,886 avg reviews) — this niche doesn't clear our bar today.
Returns
Great1.7%return rate — above 6% kills the launch gate
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.68avg listing price — sweet spot $15–$100
Price range
Good$9.49–$29.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+6.5%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Competition
Bad73%top-5 click share — a locked-up shelf
Market size
Bad$45K$45K/yr · 38K searches
Review moat
Bad61,885.5avg 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
10 falling
Sellers
17
Top-5 brand share
87%
Open market
8%
- AmazerBath49%
- Barossa Design12%
- ALYVIA SPRING12%
- LiBa7%
- Titanker6%
- Tonnali5%
- Open — no brand owns it (4 brands, 8%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AmazerBath Long Shower Curtain Liner with 3 Magnets 72x90 Clear Shower Curtain Liner Tall Waterproof Plastic Shower Liner Lightweight PEVA Shower Curtain with 12 Rustproof Metal Grommets
AmazerBath$12.934.4★67,691 rev

AmazerBath Plastic Shower Curtain Clear Premium PEVA Clear Shower Curtain Heavy Duty 8G Weighted Shower Curtains for Bathroom Accessories with 3 Big Stones and 12 Rustproof Grommets 72x72 Inches
AmazerBath$9.494.6★92,008 rev

Barossa Design Waterproof Fabric Shower Curtain or Liner Microfiber 72 W x 90 H - Extra Long Hotel Quality Machine Washable White Shower Liner for Bath Tub 72x90 Inches
Barossa Design$17.514.6★30,528 rev

ALYVIA SPRING Extra Long Fabric Shower Curtain Liner Waterproof - 72 x 90 Soft & Lightweight XL Shower Curtain with Magnets Machine Washable - 72x90 White
ALYVIA SPRING$16.654.5★59,827 rev

Titanker Extra Long Shower Curtain Liner Fabric 72x90 Inches White Shower Liner Washable with 2 Magnets Waterproof Bathroom Long Shower Liner Polyester Soft Lightweight White
Titanker$12.524.6★9,164 rev
Newest
by launch date
Amazer Extra Long Shower Curtain Liner Washable 72x90 Inches Tall Shower Liner Fabric with 2 Bottom Stones Waterproof 2-in-1 Shower Curtain and Liner 12 Grommet Holes Hotel Quality White
Amazer$16.5117,557 rev

Titanker Extra Long Shower Curtain Liner Fabric 72x90 Inches White Shower Liner Washable with 2 Magnets Waterproof Bathroom Long Shower Liner Polyester Soft Lightweight White
Titanker$12.529,164 rev

AmazerBath Long Shower Curtain Liner with 3 Magnets 72x90 Clear Shower Curtain Liner Tall Waterproof Plastic Shower Liner Lightweight PEVA Shower Curtain with 12 Rustproof Metal Grommets
AmazerBath$12.9367,691 rev

AmazerBath Extra Long Shower Curtain 90 Inches Long Clear Premium PEVA Plastic 72x90 Inches Tall Bathroom Curtain Heavy Duty with 3 Weighted Stones and 12 Grommet Holes
AmazerBath$16.3192,008 rev

EurCross Clear Shower Curtain Liner 90 inches Long with 5 Magnet Weights and Hooks Waterproof Premium 9G PEVA Extra Long Plastic Shower Curtain Liner 72 x 90 inch
EurCross$16.775,980 rev
Trending
90-day click momentum
Amazer White Shower Liner Cloth Waterproof White Shower Curtain Liner Fabric with Weighted Stones Washable Shower Curtain and Liner 2-in-1 120G Heavy Duty 12 Grommet Holes 72 x 72 Inches
Amazer$12.424.6★

LiBa Bathroom Shower Curtain Waterproof Plastic Shower Curtain Premium PEVA Non-Toxic with Rust Proof Grommets Frosted 8G Bathroom Accessories 72x72
LiBa$9.984.5★

DUKIYO 90 Inch Shower Curtain Linen Neutral Extra Long Shower Curtain for Bathroom Bath Drapes Earth Tone Boho Shabby Chic Country Rustic Cloth Drapes Bathroom Decor Cream Colored Ivory 72x90
DUKIYO$29.434.5★

Tonnali 90 Inch Shower Curtain Liner with 6 Magnets PVEA Clear Plastic Waterproof Extra Long Shower Liner 72 x 90 Inches for Bathroom Heavy Duty with 12 Rustproof Grommet
Tonnali$15.234.5★

Amazer Extra Long Shower Curtain Liner Washable 72x90 Inches Tall Shower Liner Fabric with 2 Bottom Stones Waterproof 2-in-1 Shower Curtain and Liner 12 Grommet Holes Hotel Quality White
Amazer$16.514.6★
Demand
Weekly Amazon search volume, last 19 weeks — +6.5% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and easy to install”
“As described”
“Great Value”
“Fits perfect”
“Nice thickness”
“Light and easy to hang”
“And durable”
“Real heavy duty”
“Its fully waterproof”
“Good material”
What buyers complain about
“Not as thick as it says”
“Weights are not heavy enough”
“This is low quality, flimsy”
“Short”
“Magnets dont stick”
“misleading”
“Too Light and Not Enough Magnets/Weights”
“Only cuz it was half price”
“it has a smell”
“Extremely thin”