plus size birthday dress
Skip itHigh returns (15.8%) — this niche doesn't clear our bar today.
Competition
Incredible12%top-5 click share — an open shelf
Avg price
Incredible$33.62avg 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
Price range
Great$9.51–$54.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good876.52avg incumbent reviews — the moat a new listing must climb
Growth
Bad-14.3%90-day search growth — must beat 0% to launch
Market size
Bad$11K$11K/yr · 824K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Returns
Bad15.8%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, plus size birthday dress is a $11K/yr Amazon United States market (824K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 47/100.
Data updated Jul 13, 2026 · scored weekly · How we score niches
plus size birthday dress market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $34K–$42K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #2,899
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 3.8%
- Avg brand age
- 34 months
- Avg seller age
- 180 days
Competition & brand share
Clicks spread well past the top 5 (12% combined) — an open shelf where new products get seen.Brands
65 falling
Sellers
73
Top-5 brand share
50%
Top 20: 83%
Top-5 click share
12%
Top 20: 32%
Open market
46%
- Floerns19%
- BEAUDRM12%
- SOLY HUX7%
- GORGLITTER7%
- ENOPINK5%
- FANCMISTERY4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.3% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 1.8×
Top plus size birthday dress search terms
- plus size birthday dress131K/yr
- plus size birthday outfit121K/yr
- birthday dress plus size80K/yr
- plus size going out dresses56K/yr
- birthday outfits for women plus size82K/yr
- club dress plus size49K/yr
- sexy black dress plus size60K/yr
- plus size club dresses37K/yr
- bodycon dress plus size28K/yr
- plus size sexy black dress30K/yr
Top plus size birthday dress 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ENOPINK Birthday Sequined Dresses for Women - Fashion Sequins Short Sleeve Loose Tunic Blouses Mini Dresses Black XX-Large
ENOPINK$35.964.0★1,020 rev
FANCMISTERY Womens Plus Size Sexy Lingerie Dress Sleeveless Bodycon Stretch Elegant Coreset for Club Midi Dresses (US Alpha X-Large Plus Regular Black)
FANCMISTERY$22.234.0★551 rev
BEAUDRM Womens Plus Size Floral Sheer Mesh Mini Dress Long Bell Sleeve Wedding Guest Dresses Going Out Dresses Black 3X-Large Plus
BEAUDRM$35.153.8★11 rev
GORGLITTER Womens Plus Size Lace Dress Fall Casual Wrap Ruched Long Sleeve Bodycon Cocktail Birthday Party Mini Dress Black 3X-Large Plus
GORGLITTER$41.683.6★20 rev
Ekaliy Womens Plus Size Casual Tunic Tops Blouses Mesh See Through Shirts Dresses with Belt Club Party Outfit XXL Black
Ekaliy$36.204.2★3,982 rev
Newest
by launch dateGORGLITTER Womens Plus Size Lace Dress Fall Casual Wrap Ruched Long Sleeve Bodycon Cocktail Birthday Party Mini Dress Black 3X-Large Plus
GORGLITTER$41.6820 rev
OYOANGLE Womens Plus Size 3D Body Heat Map Print Sexy Concert Outfit Y2K Short Sleeve Bodycon Dress Black 3X-Large Plus
OYOANGLE$23.6720 rev
BEAUDRM Womens Plus Size Vintage Floral Mesh Mini Dress Ruffle V Neck Bell Long Sleeve Going Out Dresses Black XX-Large Plus
BEAUDRM$40.2640 rev
BEAUDRM Womens Plus Size Vintage Floral Mesh Mini Dress Ruffle V Neck Bell Long Sleeve Going Out Dresses Black 3X-Large Plus
BEAUDRM$40.7440 rev
Floerns Womens Plus Size Off The Shoulder Mini Dress Mesh Long Sleeve Bodycon Dresses Black XX-Large Plus
Floerns$28.0712 rev
Trending
90-day click momentumBEAUDRM Womens Plus Size Vintage Floral Mesh Mini Dress Ruffle V Neck Bell Long Sleeve Going Out Dresses Black 3X-Large Plus
BEAUDRM$40.744.3★
GORGLITTER Womens Plus Size Dress Sexy Club Birthday Cheetah Leopard Cocktail Asymmetrical Mini Dress Going Out Outfits Brown XX-Large Plus
GORGLITTER$39.204.2★
Floerns Womens Plus Size Going Out Halter Dress Deep V Cowl Neck Date Night Bodycon Mini Dresses Black 3X-Large Plus
Floerns$32.664.0★
OYOANGLE Womens Plus Size 3D Body Heat Map Print Sexy Concert Outfit Y2K Short Sleeve Bodycon Dress Black 3X-Large Plus
OYOANGLE$23.674.7★
FeelinGirl Tummy Control Shapewear Faja Colombianas Zipper Crotch Body Shaper Plus Size Postpartum Fajas with Butt Lift Black X-Large
FeelinGirl$41.204.1★
What buyers say about plus size birthday dress
What buyers praise and complain about, mined from review topics.What buyers love
“it fit just as expected”
“Very comfortable to wear”
“Looks very flattering”
“Great stretchy material”
“Good quality”
“Beautiful colors”
“The material is very soft”
“As described”
“Worth it”
“Soft and beautiful”
What buyers complain about
“Awkward fit”
“I did not like the material”
“Cheaply made”
“Do not look like the picture”
“Overall I dont like this shaper”
“No straps”
“it is a bit thin”
“Very stretchy”
“break out of your comfort zone”
“the thigh area is too loose”
Top return reasons
Common questions
- Is plus size birthday dress profitable to sell on Amazon United States?
- The niche generates $11K/yr across 204 tracked products. 3 of 69 products launched in the last 360 days are still selling. 90-day search growth is -14.3%. Flapen's verdict: Skip it (47/100).
- How competitive is the plus size birthday dress niche?
- 65 brands and 73 sellers compete. The top 5 products take 12% of clicks and top 5 brands hold 50% of demand.
- What do buyers complain about in plus size birthday dress?
- Top complaints mined from reviews: Size-Overall, Material Quality, Quality-Overall. The return rate is 15.8% — above our launch gate.
- When does demand for plus size birthday dress peak?
- Demand peaks in Sep–Oct; the busiest month runs 1.8× the quietest.
- What does it cost to enter the plus size birthday dress niche?
- Listings span $9.51–$54.53; the average listing price is $33.62 (sweet spot $15–$100). The average incumbent carries 877 reviews — the moat a new listing must climb.