Is sleepout portable blackout curtain profitable to sell on Amazon United States?

The niche generates $64K/yr across 12 tracked products. 90-day search growth is +77.1%. Flapen's verdict: Skip it (44/100).

How competitive is the sleepout portable blackout curtain niche?

9 brands and 15 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in sleepout portable blackout curtain?

Top complaints mined from reviews: Suction, Smell, Adhesion/Stickiness. The return rate is 6.6% — above our launch gate.

When does demand for sleepout portable blackout curtain peak?

Demand peaks in Aug; the busiest month runs 2.3× the quietest.

What does it cost to enter the sleepout portable blackout curtain niche?

Listings span $7.54–$41.31; the average listing price is $27.14 (sweet spot $15–$100). The average incumbent carries 7,278 reviews — the moat a new listing must climb.

sleepout portable blackout curtain

Skip it

A small market ($64K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$27.14

avg listing price — sweet spot $15–$100

Growth

Great+77.1%

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

Price range

Great$7.54–$41.31

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Good4.3%

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

Brand share

Okay90%

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

Competition

Bad72%

top-5 click share — a locked-up shelf

Review moat

Bad7,277.58

avg incumbent reviews — the moat a new listing must climb

Returns

Bad6.6%

return rate — above 5% kills the launch gate

Market size

Bad$64K

$64K/yr · 55K searches

Signals High Returns

According to Flapen's Amazon United States niche tracking, sleepout portable blackout curtain is a $64K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Aug. Verdict: Skip it — 44/100.

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

sleepout portable blackout curtain market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $68K–$81K; units × avg price
Conversion rate: 4.3%
Avg BSR: #226
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 32 months
Avg seller age: 190 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

Amazon Basics59%
Nite Shadez11%
NIGHTON10%
SUN AWAY6%
DREAM ART5%
RUseeN3%
Open — no brand owns it (3 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +77.1% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 2.3×

Open Trend

Top sleepout portable blackout curtain search terms

travel blackout curtains for baby23K/yr +108.0%3.8% conv.
suction cup curtains11K/yr +43.5%1.1% conv.
blackout suction cup curtain7K/yr +86.8%4.2% conv.
blackout curtain suction cup5K/yr +86.4%4.6% conv.
blackout travel curtains for baby4K/yr +154.7%5.8% conv.
suction cup curtain4K/yr +37.9%1.0% conv.
travel black out curtains baby3K/yr -7.9%4.1% conv.

All search terms

Top sleepout portable blackout curtain 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Amazon Basics Portable Room Darkening Blackout Curtain Shade with Suction Cups Noise Reduction 50W x 78L Moon and Stars 1-Pack

Amazon Basics$20.224.4★16,181 rev

Amazon Basics Portable Blackout Curtain Shade with Suction Cups Noise Reducing Energy Saving 50 W x 78L Black 1-Pack

Amazon Basics$21.354.4★16,181 rev

Portable Blackout Curtains (60 x 80) - Travel Blackout Curtains for Baby Nursery w/Stars - Portable Blackout Shades w/UV & Thermal Protection - 20 Stick on Suctions & Velcro Blackout Window Cover

Nite Shadez$36.544.5★211 rev

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★2,529 rev

Amazon Basics Portable Blackout Curtain Shade with Suction Cups for Window Noise Reducing Energy Saving 50W x 78L Moon and Stars 2-Pack

Amazon Basics$39.634.4★16,181 rev

Newest

by launch date

BKSAI 100% Blackout Curtains for Bedroom Magnetic Portable Blackout Shades for Travel Black Out Window Cover No Drill Cuttable for Bedroom Nursery Media Room RV 39x57 inch

BKSAI$18.062,772 rev

2y ago

Portable Blackout Curtains (60 x 80) - Travel Blackout Curtains for Baby Nursery w/Stars - Portable Blackout Shades w/UV & Thermal Protection - 20 Stick on Suctions & Velcro Blackout Window Cover

Nite Shadez$36.54211 rev

2y ago

Portable Blackout Curtains (40 x 57) Blackout Shades 100% Portable Blackout Blinds for Any Window with 15 Pair Hook & Loop Tabs Stick-on Temporary Blackout Shades for Baby/Travelers/Bedroom

SUSNID$7.541,937 rev

3y ago

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$18.572,529 rev

4y ago

RUseeN Portable Blackout Shades (118 x 57) Travel Window Blackout Curtains 100% Blackout Material Temporary Blackout Blinds for Baby Nursery Bedroom Caravan Office or Travel Use

RUseeN$20.874,515 rev

4y ago

What buyers say about sleepout portable blackout curtain

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

What buyers love

Assembly/Installation12%

“Fairly easy setup”

Ease Of Use11%

“Easy to use”

Quality-Overall8%

“Great product”

Value For Money7%

“Worth it”

Sleep Quality6%

“making it helpful for sleep”

Suction5%

“the suctions work okay”

Advertised Vs Actual Product4%

“Does the job”

Efficiency4%

“they really do a good job darkening the room”

Size-Overall3%

“Perfect fit”

Weight Light3%

“Very light and easy to install”

What buyers complain about

Suction18%

“Dont suction”

Smell11%

“For some reason it smells like dead animal”

Adhesion/Stickiness7%

“Terrible adhesive”

Value For Money5%

“not a great value”

Size-Overall5%

“small”

Functionality-Overall5%

“Wouldnt stay in windows”

Quality-Overall5%

“Quality not great”

Heating4%

“make the room very hot”

Product Condition3%

“These were used”

Thickness2%

“Not at all thick”

Top return reasons

Size-Overall28%

Suction19%

Adhesion/Stickiness7%

Functionality-Overall7%

Smell6%

Material Quality5%

Advertised Vs Actual Product5%

Value For Money4%

Quality-Overall3%

Thin3%

Common questions

Is sleepout portable blackout curtain profitable to sell on Amazon United States?: The niche generates $64K/yr across 12 tracked products. 90-day search growth is +77.1%. Flapen's verdict: Skip it (44/100).
How competitive is the sleepout portable blackout curtain niche?: 9 brands and 15 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in sleepout portable blackout curtain?: Top complaints mined from reviews: Suction, Smell, Adhesion/Stickiness. The return rate is 6.6% — above our launch gate.
When does demand for sleepout portable blackout curtain peak?: Demand peaks in Aug; the busiest month runs 2.3× the quietest.
What does it cost to enter the sleepout portable blackout curtain niche?: Listings span $7.54–$41.31; the average listing price is $27.14 (sweet spot $15–$100). The average incumbent carries 7,278 reviews — the moat a new listing must climb.