uma costume
Skip itA small market ($5K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$34.24avg listing price — sweet spot $15–$100
Price range
Great$8.58–$122.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,358.48avg incumbent reviews — the moat a new listing must climb
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-19.1%90-day search growth — must beat 0% to launch
Returns
Bad10.4%return rate — above 6% kills the launch gate
Market size
Bad$5K$5K/yr · 153K searches
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
57
Top-5 brand share
88%
Open market
8%
- Disguise56%
- Spirit Halloween10%
- ShirtScope9%
- Leather Jacketz8%
- Aotekids5%
- JYKSDTUWS4%
- Open — no brand owns it (4 brands, 8%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Disney Descendants Uma Costume Officially Licensed Descendants 3 Deluxe Girls Halloween Dress Up Outfit (10-12)
Disguise$37.074.6★1,194 rev
ShirtScope I Love Uma T Shirt I Heart Uma Tee Medium Black
ShirtScope$16.955.0★1 rev
Disney Descendants Uma Costume Officially Licensed Descendants 3 Deluxe Girls Halloween Dress Up Outfit (7-8)
Disguise$40.624.6★1,194 rev
Famous Uma Thurmans Yellow Bride Motorcycle Pant - The Bride Yellow Halloween Costume Women Leather Biker Pant
Leather Jacketz$122.594.5★2 rev
Uma Costume for Girls Official Disney Descendants 3 Classic Outfit Kids Size XL (14-16)
Disguise$25.844.5★1,223 rev
Newest
by launch date
JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 9-10 Years)
JYKSDTUWS$46.467 rev
JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 7-8 Years)
JYKSDTUWS$46.597 rev
JYKSDTUWS Cute Descendants Bathing Suit for Girls 4-10 Years Princess 2 Pieces Swimsuits Cartoon Printed Swimwear Bikini Sets (US Age 9 Years Color-A1)
JYKSDTUWS$18.8519 rev
Spirit Halloween Descendants 3 Kids Uma Costume | Officially Licensed | Disney | Uma Outfit
Spirit Halloween$42.409 rev
Spirit Halloween Descendants 3 Kids Uma Costume | Officially Licensed | Disney | Uma Outfit
Spirit Halloween$44.579 rev
Trending
90-day click momentum
Disguise Uma Deluxe Descendants 2 Costume Teal Large (10-12)
Disguise$30.994.6★
JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 7-8 Years)
JYKSDTUWS$46.594.8★
Famous Uma Thurmans Yellow Bride Motorcycle Pant - The Bride Yellow Halloween Costume Women Leather Biker Pant
Leather Jacketz$122.594.5★
JYKSDTUWS Halloween Girls Descendants Uma Cosplay Costume Princess Birthday Party Pirate Dress Up Clothes Outfits with Hat (Color-1 9-10 Years)
JYKSDTUWS$46.464.8★
ShirtScope I Love Uma T Shirt I Heart Uma Tee Medium Black
ShirtScope$16.955.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.1% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 8.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Cute, fits well”
“feels pretty well made”
“Great value for the price”
“The design is bright, colorful, and very recognizable for fans of costume play or themed parties”
“Its comfortable enough for kids to wear for parties or Halloween night without being too heavy or restrictive”
“This pirate costume is so bright and colorful”
“It has a soft”
“The fabric is lightweight”
“Its easy to move in”
“which helps bring the whole pirate-inspired look together”
What buyers complain about
“Material was a bit thin”
“Its a little on the thin side”