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48

door cover

Skip it

Soft demand (-56.9% this quarter) — this niche doesn't clear our bar today.

Market size 39Growth 0Conversion 19Competition 84Returns 39Price range 82Avg price 91Brand share 95Review moat 24Quality gap 47

Brand share

Incredible37%

top-5 brand share — no brand owns this niche

Avg price

Great$21.55

avg listing price — sweet spot $15–$100

Competition

Great31%

top-5 click share — an open shelf

Price range

Great$6.42–$59.97

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$199K

$199K/yr · 608K searches

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Review moat

Bad5,053.26

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.5%

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

Growth

Bad-56.9%

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

According to Flapen's Amazon United States niche tracking, door cover is a $199K/yr Amazon United States market (608K searches/yr). The top 5 brands hold 37% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 48/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

door cover market data

Units sold / yr
13K–15K
avg 250–500/product
Revenue / yr
$269K–$323K
units × avg price
Conversion rate
1.5%
Avg BSR
#2,208
Page quality
0%
Prime
100%
Sponsored
83%
Out of stock
9.1%
Avg brand age
33 months
Avg seller age
167 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

44 falling

Sellers

74

Top-5 brand share

37%

Top 20: 80%

Top-5 click share

31%

Top 20: 63%

Open market

58%

  • Odocovo10%
  • Elytsemoh9%
  • RELIANCER7%
  • Iduontis6%
  • Flux Phenom5%
  • arricraft5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -56.9% search growth over the last 90 days.
45K35KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 3.0×

Top door cover search terms

  • door covers decorative141K/yr
  • magnetic thermal insulated door curtain55K/yr
  • magnetic insulated door curtain20K/yr
  • thermal door cover42K/yr
  • insulated door cover45K/yr
  • door cover decoration18K/yr
  • door insulation cover40K/yr
  • magnetic thermal door curtain13K/yr
  • thermal door curtain magnetic13K/yr
  • decorative door cover10K/yr
All search terms

Top door cover 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%3%$6K6%$12K9%$18K12%$24K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about door cover

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

What buyers love

Quality-Overall18%

“Good quality, arrived quickly and does what I needed”

Assembly/Installation18%

“Easy to put up”

Magnetic Strength/Adsorption8%

“Strong magnet strength”

Size-Overall7%

“Fit perfect”

Advertised Vs Actual Product6%

“Better than I expected”

Value For Money6%

“Good value”

Efficiency6%

“Works very effectively”

Ease Of Use4%

“Easy Peasy”

Durability4%

“Durable and works perfectly”

Pet Friendly2%

“Works great with pets”

What buyers complain about

Adhesion/Stickiness12%

“Poor Adhesive”

Size-Overall12%

“Too small”

Magnetic Strength/Adsorption11%

“Awful magnets”

Durability8%

“easily rips”

Quality-Overall7%

“Poor quality control”

Thickness4%

“paper thicker than others I bought”

Advertised Vs Actual Product3%

“Not as shown”

Value For Money3%

“Expensive though”

Assembly/Installation2%

“We had one last season that was way more difficult to put up”

Functionality-Overall2%

“It also did not close properly”

Top return reasons

Size-Overall56%
Advertised Vs Actual Product7%
Magnetic Strength/Adsorption5%
Material Quality4%
Color4%
Functionality-Overall4%
Adhesion/Stickiness3%
Value For Money2%
Compatibility-Overall2%
Quality-Overall2%

Common questions

Is door cover profitable to sell on Amazon United States?
The niche generates $199K/yr across 66 tracked products. 1 of 13 products launched in the last 360 days are still selling. 90-day search growth is -56.9%. Flapen's verdict: Skip it (48/100).
How competitive is the door cover niche?
44 brands and 74 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 37% of demand.
What do buyers complain about in door cover?
Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Magnetic Strength/Adsorption. The return rate is 3.9%.
When does demand for door cover peak?
Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 3.0× the quietest.
What does it cost to enter the door cover niche?
Listings span $6.42–$59.97; the average listing price is $21.55 (sweet spot $15–$100). The average incumbent carries 5,053 reviews — the moat a new listing must climb.