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prom dresses plus size

Skip it

High returns (32.5%) — this niche doesn't clear our bar today.

Market size 4Growth 5Conversion 1Competition 98Returns 0Price range 94Avg price 92Brand share 85Review moat 62Quality gap 80

Competition

Incredible9%

top-5 click share — an open shelf

Price range

Great$14.59–$100.85

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

Avg price

Great$54.14

avg listing price — sweet spot $15–$100

Brand share

Great50%

top-5 brand share — no brand owns this niche

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good1,038.73

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-39.3%

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

Market size

Bad$15K

$15K/yr · 394K searches

Conversion

Bad0.1%

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

Returns

Bad32.5%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, prom dresses plus size is a $15K/yr Amazon United States market (394K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 45/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

prom dresses plus size market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$14K–$27K
units × avg price
Conversion rate
0.1%
Avg BSR
#2,544
Page quality
0%
Prime
99%
Sponsored
92%
Out of stock
1.1%
Avg brand age
28 months
Avg seller age
179 days

Competition & brand share

Clicks spread well past the top 5 (9% combined) — an open shelf where new products get seen.

Brands

64 falling

Sellers

74

Top-5 brand share

50%

Top 20: 84%

Top-5 click share

9%

Top 20: 26%

Open market

51%

  • VOUIAO22%
  • Pinup Fashion9%
  • Talisea6%
  • EYWOL5%
  • Floerns4%
  • TIARALY3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -39.3% search growth over the last 90 days.
20K15KSpike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 2.0×

Top prom dresses plus size search terms

  • plus size gowns and evening dresses44K/yr
  • black bridesmaid dress plus size27K/yr
  • gala dresses for plus size women21K/yr
  • blue formal dress plus size18K/yr
  • long formal dresses for women plus size17K/yr
  • formal gowns and evening dresses plus size25K/yr
  • black tie gala dresses plus size22K/yr
  • evening gown plus size18K/yr
  • navy blue formal dress plus size16K/yr
  • plus size evening wear23K/yr
All search terms

Top prom dresses plus size 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%1%$1492%$2983%$4484%$597101001K10K100K 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 prom dresses plus size

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

What buyers love

Size-Overall32%

“fit like a glove”

Comfort-Overall11%

“comfortable to wear”

Shape/Style10%

“Beautiful Dress”

Quality-Overall6%

“Excellent quality”

Color5%

“The color was beautiful”

Material Quality5%

“elegant material”

Value For Money4%

“Fabulous price”

Stretchability/Expandability/Elasticity4%

“Nice stretch”

Advertised Vs Actual Product2%

“Description was accurate”

Soft Feel2%

“Soft and cute”

What buyers complain about

Size-Overall25%

“Runs a little big”

Material Quality6%

“material is very clingy”

Quality-Overall5%

“This just is cheaply made”

Advertised Vs Actual Product4%

“Not as described”

Length3%

“the length was a little too short for my liking”

Chest Fit2%

“too big in the chest”

Smell2%

“Bad chemical smell”

Shape/Style2%

“Not flattering at all”

Product Condition2%

“Received used dress”

Color2%

“the color is not the same as in the picture”

Top return reasons

Size-Overall37%
Chest Fit12%
Length11%
Waist Fit7%
Material Quality6%
Shoulder Fit6%
Shape/Style4%
Advertised Vs Actual Product3%
Hip Fit3%
Color1%

Common questions

Is prom dresses plus size profitable to sell on Amazon United States?
The niche generates $15K/yr across 324 tracked products. 8 of 153 products launched in the last 360 days are still selling. 90-day search growth is -39.3%. Flapen's verdict: Skip it (45/100).
How competitive is the prom dresses plus size niche?
64 brands and 74 sellers compete. The top 5 products take 9% of clicks and top 5 brands hold 50% of demand.
What do buyers complain about in prom dresses plus size?
Top complaints mined from reviews: Size-Overall, Material Quality, Quality-Overall. The return rate is 32.5% — above our launch gate.
When does demand for prom dresses plus size peak?
Demand peaks in Mar–Apr; the busiest month runs 2.0× the quietest.
What does it cost to enter the prom dresses plus size niche?
Listings span $14.59–$100.85; the average listing price is $54.14 (sweet spot $15–$100). The average incumbent carries 1,039 reviews — the moat a new listing must climb.