Is draft stopper for window sill profitable to sell on Amazon United States?

The niche generates $5K/yr across 6 tracked products. 90-day search growth is -85.3%. Flapen's verdict: Skip it (25/100).

How competitive is the draft stopper for window sill niche?

4 brands and 33 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in draft stopper for window sill?

Top complaints mined from reviews: Size-Overall, Functionality-Overall, Value For Money. The return rate is 2.5%.

When does demand for draft stopper for window sill peak?

Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 26.0× the quietest.

What does it cost to enter the draft stopper for window sill niche?

Listings span $6.88–$22.51; the average listing price is $16.14 (sweet spot $15–$100). The average incumbent carries 3,202 reviews — the moat a new listing must climb.

draft stopper for window sill

Skip it

Soft demand (-85.3% this quarter) — this niche doesn't clear our bar today.

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Avg price

Great$16.14

avg listing price — sweet spot $15–$100

Returns

Good2.5%

return rate — above 5% kills the launch gate

Price range

Okay$6.88–$22.51

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

Review moat

Okay3,202.17

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.1%

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

Competition

Bad90%

top-5 click share — a locked-up shelf

Market size

Bad$5K

$5K/yr · 29K searches

Growth

Bad-85.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, draft stopper for window sill is a $5K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 25/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

draft stopper for window sill market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $16K–$20K; units × avg price
Conversion rate: 1.1%
Avg BSR: #119
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 2.0%
Avg brand age: 50 months
Avg seller age: 190 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

Thermwell63%
MOPMS14%
GORILLA GRIP13%
XFasten10%

Demand & seasonality

Weekly Amazon search volume, last 72 weeks — -85.3% search growth over the last 90 days.

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 26.0×

Open Trend

Top draft stopper for window sill search terms

draft stopper for window sill6K/yr -58.8%0.3% conv.
window sill draft blocker5K/yr -92.7%0.0% conv.
window sill draft stopper4K/yr -93.3%0.0% conv.
window snake draft stopper4K/yr -93.0%0.0% conv.
draft dodgers for windows4K/yr -94.1%0.0% conv.
draft snakes for windows3K/yr -94.7%2.1% conv.
magnetic window draft stopper3K/yr -96.5%0.0% conv.

All search terms

Top draft stopper for window sill 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 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Frost King DS2 Door or Window Draft Stop Cloth Seal 3-Feet Beige

Thermwell$14.194.4★1,173 rev

3 Draft Stop Cloth Seal Pack of two

Thermwell$22.184.3★881 rev

Frost King DS2 Door or Window Draft Stop Cloth Seal 3-Feet Beige (Pack of 12)

Thermwell$22.514.3★894 rev

MOPMS Draft Stopper Sweep Door Weatherproofing Stripping Window Seal Strip Self-adhisive Soundproof Cuttable Weather Length 6.56Ft - Grey

MOPMS$6.883.7★2,666 rev

GORILLA GRIP Door Draft Stopper for Bottom of Doors Cold Air Insulation Sweep Weather Stripping Seal Noise Soundproofing Warmth Sealer Easy Install Gap Filler Home Essentials 32 Inch Gray

GORILLA GRIP$20.294.4★2,092 rev

Newest

by launch date

GORILLA GRIP Door Draft Stopper for Bottom of Doors Cold Air Insulation Sweep Weather Stripping Seal Noise Soundproofing Warmth Sealer Easy Install Gap Filler Home Essentials 32 Inch Gray

GORILLA GRIP$20.292,092 rev

2y ago

MOPMS Draft Stopper Sweep Door Weatherproofing Stripping Window Seal Strip Self-adhisive Soundproof Cuttable Weather Length 6.56Ft - Grey

MOPMS$6.882,666 rev

5y ago

XFasten Transparent Window Weather Sealing Tape 2-Inch x 30 Yards (50.8mm x 27.43m) Clear Window Draft Isolation Sealing Film Tape No Residue

XFasten$10.8111,507 rev

7y ago

Frost King DS2 Door or Window Draft Stop Cloth Seal 3-Feet Beige (Pack of 12)

Thermwell$22.51894 rev

8y ago

3 Draft Stop Cloth Seal Pack of two

Thermwell$22.18881 rev

10y ago

What buyers say about draft stopper for window sill

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

What buyers love

Quality-Overall18%

“Well made, nice color and stays in place”

Value For Money9%

“are a good value for the money”

Size-Overall8%

“Fit well”

Efficiency8%

“Does the job”

Advertised Vs Actual Product7%

“As advertised”

Weight Light5%

“Not bulky”

Assembly/Installation5%

“Easy install, good looking”

Grip4%

“Nice and thick - with grips”

Design-Overall4%

“Looks great and works even better”

Color4%

“nice color”

What buyers complain about

Size-Overall26%

“Much smaller than I thought”

Functionality-Overall21%

“keeps out light under door. not used for draft stopper, but to keep bedroom dark from hallway lighting!!”

Value For Money6%

“Overpriced”

Paint Quality6%

“has damaged our door that now needs to be repainted”

Adhesion/Stickiness6%

“Product was delivered with no adhesive on either side”

Thickness6%

“Needs to be able to adhere to door so when door opens it moves with door Loop provided is too thick”

Quality-Overall6%

“the windows are not the best quality”

Durability6%

“However after 2 weeks it started peeling”

Weight Heavy3%

“Not heavy enough to stay put or block a draft”

Weight Light3%

“too light to be effective”

Top return reasons

Size-Overall32%

Functionality-Overall12%

Advertised Vs Actual Product9%

Weight Heavy6%

Color6%

Material Quality4%

Compatibility-Overall4%

Quality-Overall3%

Adhesion/Stickiness3%