blackout curtain liner
Skip itA concentrated shelf (top 5 take 77% of clicks) — this niche doesn't clear our bar today.
Price range
Great$14.49–$32.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$20.81avg listing price — sweet spot $15–$100
Review moat
Good1,192.27avg incumbent reviews — the moat a new listing must climb
Growth
Good+30.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Bad$98K$98K/yr · 250K searches
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Returns
Bad5.2%return rate — above 5% kills the launch gate
Competition
Bad77%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, blackout curtain liner is a $98K/yr Amazon United States market (250K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 38/100.
Data updated Aug 3, 2026 · scored weekly · How we score niches
blackout curtain liner market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $125K–$166K
- units × avg price
- Conversion rate
- 1.9%
- Avg BSR
- #269
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 9.2%
- Avg brand age
- 47 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
12
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
6%
- Chyhomenyc30%
- NICETOWN26%
- KGORGE12%
- Aiyufeng11%
- DriftAway9%
- OWENIE5%
- Open — no brand owns it (4 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +30.0% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 1.7×
Top blackout curtain liner search terms
- blackout curtain liners59K/yr
- blackout curtain liner42K/yr
- blackout liners for behind curtains26K/yr
- blackout liner16K/yr
- curtain liners for window curtains20K/yr
- blackout panels for behind curtains12K/yr
- black out curtain liner8K/yr
- curtain liners12K/yr
- blackout curtain liners 84 inches long7K/yr
- black out liners for behind curtains6K/yr
Top blackout 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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Chyhomenyc 2 Panels 100% Blackout Curtain Liners 100% Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 17 Pieces Rings
Chyhomenyc$19.394.6★669 rev
NICETOWN White Blackout Curtain Liners for Window - Noise Reducing Light Blocking Liner for 84 inch Curtains (Set of 2 Each is 27 x 80 Hooks Included Greyish White)
NICETOWN$16.914.3★4,593 rev
KGORGE Blackout Curtains Liners for L 84 Drapes for Bedroom Living Room
KGORGE$19.394.4★2,484 rev
Aiyufeng 2 Panels 100% Blackout Curtain Liners for Behind Curtains Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 18 Pieces Rings
Aiyufeng$19.404.5★291 rev
NICETOWN Blackout Curtain Liners for Sheer Curtains Cold Heat Light Noise Blocking Liners with Rings: Easy to Open and Closed Thermal Liners for 84 inches Long Curtains 1 Pair 50 x 80 Per Panel
NICETOWN$17.814.4★1,513 rev
Newest
by launch date
YC WINRRARII 100% Blackout Curtain Liners Additional Parts for Blackout with 18 Rings White/Black 2 Panels Set Easy Install for Bedroom Livingroom Total Thermal Curtains for Insulated 50 W x 80 L
YC WINRRARII$18.4420 rev
Simplebrand 100% Blackout Curtain Liner for Bedroom Thermal Insulated Blackout Liners for 63 Inch Behind Curtains 2 Liners Per Set with 14 Pieces Rings Each 40 W x 58 L Greyish White
Simplebrand$17.80232 rev
Aiyufeng 2 Panels 100% Blackout Curtain Liners for Behind Curtains Darkening Thermal Insulated Blackout Liner for 84 Inch Curtains Each 50 Wx80 L 2 Liners Per Set with 18 Pieces Rings
Aiyufeng$19.40291 rev
OWENIE 100% Blackout Curtain Liner 2 Panles Set Room Darkening Thermal Insulated Curtains Liners for 95 96 Inch Curtains Behind Block Liner (Greyish White 40W x 92L 2 Pieces)
OWENIE$18.76362 rev
OWENIE 100% Blackout Curtain Liner 2 Panels Set for Bedroom Living Room Total Darkening Thermal Curtains Liner for 84 Inch Long Curtains Behind Each 40 Wx80 L Thermal Curtains for Summer Heat
OWENIE$19.31362 rev
Trending
90-day click momentumOWENIE 100% Blackout Curtain Liner 2 Panels Set for Bedroom Living Room Greyish White Black Out Curtains Liner for 63 Inch Behind Curtains Thermal Curtains for Summer Heat Liner Each 40 Wx58 L
OWENIE$14.494.6★
YC WINRRARII 100% Blackout Curtain Liners Additional Parts for Blackout with 18 Rings White/Black 2 Panels Set Easy Install for Bedroom Livingroom Total Thermal Curtains for Insulated 50 W x 80 L
YC WINRRARII$18.444.7★
NIGHTON Portable Blackout Curtains 4060 Strong Hook and Loop Tape Strips with Adhesive Cuttable Blackout Window Cover 100% Black Out Material Blinds for Baby Nursery or Travel - Black
NIGHTON$18.574.3★
DriftAway Thermal Insulated 100 Percent Darkening Blackout Curtain Liner 2 Panels Each Liner Size 50 Inch by 80 Inch Rings Included Off White Panel
DriftAway$32.834.6★
DriftAway Thermal Insulated Blackout Curtain Liner 2 Panels Each Liner Size 50 Inch by 80 Inch Rings Included
DriftAway$31.104.5★
What buyers say about blackout curtain liner
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to install”
“works perfectly as described”
“Good price”
“Well made, washable, they work, and I bought them”
“Easy to use”
“Works well for intended use”
“Material very nice”
“This helped my toddler sleep at night due to the appearance that it has on the window”
“Bought this liner which is a good weight”
“Great fit”
What buyers complain about
“The smell was off gassing”
“the house was heating up”
“not that thick”
“These dont exactly fit as easy as the photo shows”
“Not really black out”
“Theyre just a slightly heavier than usual light grey curtain”
“use something other than the adhesives”
“Poor Quality Curtain”
“it came with double sided tape instead of the hook and loop Velcro as advertised.”
“Material is terrible returned”
Top return reasons
Common questions
- Is blackout curtain liner profitable to sell on Amazon United States?
- The niche generates $98K/yr across 15 tracked products. 90-day search growth is +30.0%. Flapen's verdict: Skip it (38/100).
- How competitive is the blackout curtain liner niche?
- 10 brands and 12 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in blackout curtain liner?
- Top complaints mined from reviews: Smell, Heating, Thickness. The return rate is 5.2% — above our launch gate.
- When does demand for blackout curtain liner peak?
- Demand peaks in Jun–Jul; the busiest month runs 1.7× the quietest.
- What does it cost to enter the blackout curtain liner niche?
- Listings span $14.49–$32.83; the average listing price is $20.81 (sweet spot $15–$100). The average incumbent carries 1,192 reviews — the moat a new listing must climb.