mavis costume
Skip itHigh returns (13.1%) — this niche doesn't clear our bar today.
Avg price
Great$20.78avg listing price — sweet spot $15–$100
Brand share
Great52%top-5 brand share — no brand owns this niche
Price range
Great$5.15–$53.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Growth
Good+28.6%90-day search growth — must beat 0% to launch
Review moat
Okay1,940.49avg incumbent reviews — the moat a new listing must climb
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Market size
Bad$21K$21K/yr · 188K searches
Returns
Bad13.1%return rate — above 6% kills the launch gate
Competition
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
27 rising
Sellers
53
Top-5 brand share
52%
Open market
41%
- Suhine14%
- Leg Avenue12%
- Toulite10%
- Geyoga8%
- POEWAUVE8%
- Chongbaijia7%
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 35 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Leg Avenue Womens Sheer Spiderweb Arm Warmers Black O/S
Leg Avenue$11.034.6★1,500 rev
Suhine 4 Pcs Halloween Vampire Costume for Women with Black and Red Striped Tights Black Dress Vampire Fangs Glove (Large)
Suhine$26.534.4★63 rev
Geyoga Womens High Striped Tights Socks Over Knee Striped Long Stockings Halloween Christmas(Black-red)
Geyoga$7.814.6★225 rev
POEWAUVE Halloween Vampire Costume Red Black Striped Thigh High Socks Spider Long Glove Fingerless Glove White Teeth Fangs for Halloween Cosplay
POEWAUVE$11.834.3★25 rev
Chongbaijia Long Sleeve Dress for Women Ribbed Mock Turtleneck Slim Fit Fall Dresses Bodycon Short Dresses Fashion Clothes Black
Chongbaijia$10.664.6★429 rev
Newest
by launch date
Seematn 4 Pcs Womens Red Guard Costume Set. Tank & Shorts Sun Visor & Whistle. Gym Outfits for Training Beach Cosplay (XL)
Seematn$28.562 rev
MESU Women Striped Thigh High Socks and Fingerless Gloves Set for Cosplay Costumen Black Red
MESU$13.4417 rev
Chongbaijia Long Sleeve Dress for Women Ribbed Mock Turtleneck Slim Fit Fall Dresses Bodycon Short Dresses Fashion Clothes Black
Chongbaijia$10.66429 rev
Maisolly Halloween Womens Hotel Vampire Mevis Costume Adult Cosplay Party Dresses with Stirped Tights Wig Black S
Maisolly$41.1616 rev
Parma77 4 Pcs Halloween Vampire Costume for Women Black and Red Striped Tights Vampire Bat Necklace Spider Long Glove Fingerless Glove White Teeth Fangs
Parma77$11.1038 rev
Trending
90-day click momentumMESU Women Striped Thigh High Socks and Fingerless Gloves Set for Cosplay Costumen Black Red
MESU$13.444.8★
Seematn 4 Pcs Womens Red Guard Costume Set. Tank & Shorts Sun Visor & Whistle. Gym Outfits for Training Beach Cosplay (XL)
Seematn$28.565.0★
Hanpceirs Womens Summer Bodycon Dresses Scoop Neck Slim Fit Knit Club Party Mini Dress Black X-Large
Hanpceirs$16.744.3★
OQQ Womens Mini Dresses Sexy Ribbed Short Sleeve Tummy Control Bodycon Mini Dress Darkbrown
OQQ$20.374.4★
Missufe Womens Ruched Casual Sundress Knee Length Bodycon Sheath Dress (Black X-Small)
Missufe$20.254.2★
Demand
Weekly Amazon search volume, last 38 weeks — +28.6% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great fit”
“great quality for a costume set”
“Just like advertised”
“Very comfortable”
“The material is a lightweight and comfortable material”
“isn't too expensive either”
“Very simple,”
“Cute Style”
“Got it in so many colors”
“Nice material, good stretch”
What buyers complain about
“But Not the Right Fit for Me”
“it isnt stretchy which I think would cause it to rip later on anyways”
“Very thick and snatches you”
“its all dirty even the package was all dirty”
“Cheap look and material”
“Low quality”
“The cape- the clasps that hold it around your neck mine broke trying to try it on”
“Feels light not see thru”
“folds at waist hide fat”
“I wish the dress fabric was a little softer”