Is light blocking strips profitable to sell on Amazon United States?

The niche generates $76K/yr across 33 tracked products. 4 of 11 products launched in the last 360 days are still selling. 90-day search growth is +41.6%. Flapen's verdict: Worth a look (59/100).

How competitive is the light blocking strips niche?

23 brands and 25 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 52% of demand.

What do buyers complain about in light blocking strips?

Top complaints mined from reviews: Functionality-Overall, Adhesion/Stickiness, Size-Overall. The return rate is 3.6%.

When does demand for light blocking strips peak?

Demand peaks in May–Jun–Jul; the busiest month runs 2.4× the quietest.

What does it cost to enter the light blocking strips niche?

Listings span $6.75–$74.64; the average listing price is $29.88 (sweet spot $15–$100). The average incumbent carries 354 reviews — the moat a new listing must climb.

light blocking strips

Worth a look

Shows a sweet-spot price point ($29.88 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$29.88

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great$6.75–$74.64

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

Brand share

Great52%

top-5 brand share — no brand owns this niche

Review moat

Great353.76

avg incumbent reviews — the moat a new listing must climb

Growth

Good+41.6%

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

Competition

Good47%

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

Returns

Okay3.6%

return rate — above 5% kills the launch gate

Conversion

Okay2.3%

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

Market size

Bad$76K

$76K/yr · 111K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, light blocking strips is a $76K/yr Amazon United States market (111K searches/yr). The top 5 brands hold 52% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 59/100.

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

light blocking strips market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $90K–$120K; units × avg price
Conversion rate: 2.3%
Avg BSR: #379
Page quality: 0%
Prime: 97%
Sponsored: 88%
Out of stock: 10.3%
Avg brand age: 34 months
Avg seller age: 188 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

Top-5 brand share

52%

Top 20: 98%

Top-5 click share

47%

Top 20: 87%

Open market

42%

Bliwans13%
Toperblinds13%
ZSTARR9%
Miideayin9%
WINSMAR8%
Aurike7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +41.6% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.4×

Open Trend

Top light blocking strips search terms

light blocking strips37K/yr +71.9%2.5% conv.
curtain side light blocker10K/yr +131.5%1.5% conv.
blackout side tracks8K/yr +126.6%1.9% conv.
light blockers for sides of blinds11K/yr -32.3%2.3% conv.
window side light blocker7K/yr +38.1%2.9% conv.
light blocking strips for blinds8K/yr +14.1%2.4% conv.
light blocker7K/yr +21.8%1.2% conv.
light blockers blackout side tracks3K/yr +21.1%1.6% conv.
window light blocker strips4K/yr +27.4%2.5% conv.
light blockers4K/yr +7.6%2.0% conv.

All search terms

Top light blocking strips 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★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Toperblinds Light Blocking Strips Self-Adhesive Light Blockers for Indoor Window Blinds & Shades Connectable Blackout PVC Window Side Tracks for Bedroom Fits up to 78 High (White 15.75 10pcs)

Toperblinds$26.364.6★44 rev

Bliwans Light Blocking Strips for Window Shades and Blinds 100% Blackout PVC Side Tracks Light Blocker for Blinds Window Light Blocker for Bedroom(White 58 2PCS)

Bliwans$31.634.3★76 rev

ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White 58 2Pcs)

ZSTARR$36.314.2★358 rev

Blackout PVC Light Blocking Strips for Window Shades and Blinds - Blocks Light Along The Sides of Blackout Blinds Side Tracks for Cordless Shades Light Blocking Strips for Bedroom (White 58 2Pcs)

Miideayin$31.174.3★107 rev

WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs 58.5)

WINSMAR$36.234.4★67 rev

Newest

by launch date

Blackout Retractable Blackout Strip for Window Shades and Blinds Side Tracks for Cordless Shades Light Blocking Strips for Bedroom (White 26 2Pcs)

Vivvigo$23.370 rev

2mo ago

BERISSA Light Blocking Strips for Window Shades and Blinds White 58 2PCS

BERISSA$35.235 rev

3mo ago

Cuttable Light Blocker for Window Shades and Blinds Blackout TPE Side Tracks Light Blocking Strips Durable Light Blocker for Blinds Window Side Light Blocker for Bedroom (White 60 2PCS)

LazBlinds$18.7416 rev

5mo ago

Cuttable Light Blocker for Window Shades and Blinds Blackout TPE Side Tracks Light Blocking Strips Durable Light Blocker for Blinds Window Side Light Blocker for Bedroom (Grey 60 2PCS)

LazBlinds$19.4516 rev

5mo ago

Flexible Blackout Light Blocking Strips 60 78 118 for Blinds & Shades 2PCS (60 2PCS)

Aurike$23.9428 rev

7mo ago

What buyers say about light blocking strips

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

What buyers love

Assembly/Installation15%

“Easy to install”

Quality-Overall10%

“the build quality is great”

Adhesion/Stickiness9%

“the adhesive is VERY strong”

Advertised Vs Actual Product9%

“As described”

Ease Of Use9%

“easy to use”

Brightness/Shine/Glow5%

“it was sooooo bright”

Functionality-Overall5%

“very effective solution”

Value For Money4%

“Great price”

Magnetic Strength/Adsorption4%

“Magnets are strong”

Strength3%

“It holds and stays in place very well, blocks any light, or breeze from coming through and best of all, it looks great”

What buyers complain about

Functionality-Overall15%

“Not very effective”

Adhesion/Stickiness12%

“They don't stay stuck”

Size-Overall6%

“Soooooo tiny”

Thickness6%

“I thought they would be thick like vinyl”

Value For Money6%

“you're just out money”

Color5%

“be warned: these are not a true white”

Ease Of Use5%

“its not that easy to do”

Brightness/Shine/Glow4%

“Less bright, please”

Strength4%

“Super flimsy”

Quality-Overall4%

“Very very cheaply made”

Top return reasons

Size-Overall22%

Functionality-Overall20%

Adhesion/Stickiness13%

Advertised Vs Actual Product9%

Compatibility-Overall6%

Defective Material/Parts5%