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blackout window film

Skip it

A deep review moat (16,310 avg reviews) — this niche doesn't clear our bar today.

Market size 53Growth 63Conversion 51Competition 36Returns 45Price range 35Avg price 39Brand share 43Review moat 18Quality gap 78

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+40.8%

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

Market size

Good$336K

$336K/yr · 764K searches

Conversion

Good4.1%

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

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Brand share

Okay79%

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

Avg price

Okay$10.63

avg listing price — sweet spot $15–$100

Competition

Okay63%

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

Price range

Okay$5.90–$19.92

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

Review moat

Bad16,309.58

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, blackout window film is a $336K/yr Amazon United States market (764K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 49/100.

Data updated Aug 3, 2026 · scored weekly · How we score niches

blackout window film market data

Units sold / yr
40K–50K
avg 2,000–2,500/product
Revenue / yr
$425K–$532K
units × avg price
Conversion rate
4.1%
Avg BSR
#56
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
38 months
Avg seller age
186 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

18

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

16%

  • rabbitgoo38%
  • VELIMAX14%
  • Kromapolis12%
  • KESPEN WINDOW FILMS10%
  • FuFin6%
  • BKSAI5%
  • Open — no brand owns it (8 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +40.8% search growth over the last 90 days.
23K18KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 1.9×

Top blackout window film search terms

  • blackout window film348K/yr
  • window blackout film70K/yr
  • black window film52K/yr
  • black out window cling27K/yr
  • black out window film34K/yr
  • blackout film30K/yr
  • blackout film for windows inside29K/yr
  • window privacy film blackout27K/yr
  • black out window tint14K/yr
  • blackout window cling18K/yr
All search terms

Top blackout window film 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.

0%10%$34K20%$67K30%$101K40%$134K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about blackout window film

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

What buyers love

Assembly/Installation16%

“Easiest install ever”

Ease Of Use14%

“Easy to use”

Quality-Overall10%

“The blackout quality is good”

Advertised Vs Actual Product8%

“Product is as it's described”

Efficiency6%

“It works very well”

Value For Money5%

“Very affordable”

Sleep Quality3%

“Better sleep”

Adhesion/Stickiness2%

“The adhesive is good”

Magnetic Strength/Adsorption2%

“Magnetic, Simple, and Actually Works”

Brightness/Shine/Glow2%

“These shades are fantastic”

What buyers complain about

Adhesion/Stickiness16%

“Needs better adhesive”

Quality-Overall8%

“Just poor quality control if you ask me”

Functionality-Overall6%

“Didn't work”

Ease Of Use6%

“Just hard to use”

Size-Overall6%

“To small”

Smell6%

“Burning Plastic Smell”

Heating5%

“It's about to be stupid hot for the next week or so”

Value For Money4%

“cheap”

Advertised Vs Actual Product4%

“Not as described”

Color4%

“Not as dark like it says”

Top return reasons

Size-Overall34%
Adhesion/Stickiness11%
Advertised Vs Actual Product9%
Functionality-Overall6%
Material Quality5%
Color5%
Smell4%
Value For Money4%
Quality-Overall3%
Thin3%

Common questions

Is blackout window film profitable to sell on Amazon United States?
The niche generates $336K/yr across 19 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +40.8%. Flapen's verdict: Skip it (49/100).
How competitive is the blackout window film niche?
14 brands and 18 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in blackout window film?
Top complaints mined from reviews: Adhesion/Stickiness, Quality-Overall, Functionality-Overall. The return rate is 3.4%.
When does demand for blackout window film peak?
Demand peaks in Jun–Jul; the busiest month runs 1.9× the quietest.
What does it cost to enter the blackout window film niche?
Listings span $5.90–$19.92; the average listing price is $10.63 (sweet spot $15–$100). The average incumbent carries 16,310 reviews — the moat a new listing must climb.