---
title: "costumes for girls — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/costumes-for-girls"
last_updated: "2026-07-13T23:32:01.526Z"
locale: en
meta:
  description: "weak search conversion (0.0%) — costumes for girls doesn't clear our bar today."
  "og:description": "weak search conversion (0.0%) — costumes for girls doesn't clear our bar today."
  "og:title": "costumes for girls — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **costumes for girls**

**Skip it**

Weak search conversion (0.0%) — this niche doesn't clear our bar today.

Market size 3Growth 14Conversion 1Competition 50Returns 30Price range 78Avg price 95Brand share 75Review moat 69Quality gap 33

**Avg price**

**Incredible****$27.77**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.54–$46.04**

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

**Brand share**

**Good****60%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Good****720.78**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****55%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****5.3%**

return rate — above 6% kills the launch gate

**Growth**

**Bad****-21.9%**

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

**Market size**

**Bad****$12K**

$12K/yr · 1.0M searches

**Conversion**

**Bad****0.0%**

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

## **Competition**

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**19 **▼falling

**Sellers**

**54**

**Top-5 brand share**

**60%**

**Open market**

**35%**

- Elibelle35% - mcuaeddu9% - FFNXKLDZSW6% - DSplay5% - Joyxiam5% - NXXBLLLY5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$1K20%$2K30%$3K40%$5K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Japanese Traditional Dress Kimono Robe for Kids Girls Costume Silk Folding Fans hairstick Fox mask Set(red Back 150cm)](https://m.media-amazon.com/images/I/51JAiCoLBTL.jpg)**Japanese Traditional Dress Kimono Robe for Kids Girls Costume Silk Folding Fans hairstick Fox mask Set(red Back 150cm)**Elibelle**$36.80**4.8★299 rev](https://www.amazon.com/dp/B0BZY3X5X7) [2![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**4.6★169 rev](https://www.amazon.com/dp/B0GJNSYXH2) [3![Kids Girl Pirate Halloween Cosplay Costume (10-12Y)](https://m.media-amazon.com/images/I/41cWjQuNuLL.jpg)**Kids Girl Pirate Halloween Cosplay Costume (10-12Y)**DSplay**$46.04**4.2★303 rev](https://www.amazon.com/dp/B07LG1YNKB) [4![Joyxiam Kids Onesie One-Piece Pajamas Girl Halloween Costumes(10-12Years)](https://m.media-amazon.com/images/I/41DvdYMx5EL.jpg)**Joyxiam Kids Onesie One-Piece Pajamas Girl Halloween Costumes(10-12Years)**Joyxiam**$25.32**4.6★504 rev](https://www.amazon.com/dp/B0B6RDKPX2) [5![NXXBLLLY Kids Onesie Animal Pajamas Halloween Costumes Christmas Cosplay Costumes for Girl(10-12 Years)](https://m.media-amazon.com/images/I/31ji2D9UjgL.jpg)**NXXBLLLY Kids Onesie Animal Pajamas Halloween Costumes Christmas Cosplay Costumes for Girl(10-12 Years)**NXXBLLLY**$20.68**4.6★162 rev](https://www.amazon.com/dp/B0D79GXRD5)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)](https://m.media-amazon.com/images/I/413a8micUUL.jpg)**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**14 rev1mo ago](https://www.amazon.com/dp/B0H3DBS5HF) [![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)**mcuaeddu**$35.53**169 rev3mo ago](https://www.amazon.com/dp/B0GSTNZ9CS) [![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**169 rev5mo ago](https://www.amazon.com/dp/B0GJNSYXH2) [![Rarjuiey Halloween Toddler Girl Outfit Boo Romper Spaghetti Strap Ghost Jumpsuit Bell Bottoms Outfits Spooky Clothes (Boo Ghost Black 4-5T)](https://m.media-amazon.com/images/I/31vvDBBS-FL.jpg)**Rarjuiey Halloween Toddler Girl Outfit Boo Romper Spaghetti Strap Ghost Jumpsuit Bell Bottoms Outfits Spooky Clothes (Boo Ghost Black 4-5T)**Rarjuiey**$14.65**141 rev1y ago](https://www.amazon.com/dp/B0FBRS9Z35) [![AstraPrime Unisex Kids Onesie Flannel Cosplay Costume Halloween Onesie Pajamas Home Clothing(8-10Years)](https://m.media-amazon.com/images/I/3117r8eWtGL.jpg)**AstraPrime Unisex Kids Onesie Flannel Cosplay Costume Halloween Onesie Pajamas Home Clothing(8-10Years)**AstraPrime**$21.17**144 rev1y ago](https://www.amazon.com/dp/B0FBJWBZQX)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)](https://m.media-amazon.com/images/I/413a8micUUL.jpg)**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**4.2★**▲ 522%**](https://www.amazon.com/dp/B0H3DBS5HF) [![GRACE KARIN Teen Girls Formal Dress Black Kids Sequin Fancy Party Prom Sparkly Pageant Birthday Graduation Dresses Size 10-12](https://m.media-amazon.com/images/I/41NW0hU1vgL.jpg)**GRACE KARIN Teen Girls Formal Dress Black Kids Sequin Fancy Party Prom Sparkly Pageant Birthday Graduation Dresses Size 10-12**GRACE KARIN**$35.95**4.8★**▲ 519%**](https://www.amazon.com/dp/B0CN931MWP) [![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**4.6★**▲ 519%**](https://www.amazon.com/dp/B0GJNSYXH2) [![AstraPrime Unisex Kids Onesie Flannel Cosplay Costume Halloween Onesie Pajamas Home Clothing(8-10Years)](https://m.media-amazon.com/images/I/3117r8eWtGL.jpg)**AstraPrime Unisex Kids Onesie Flannel Cosplay Costume Halloween Onesie Pajamas Home Clothing(8-10Years)**AstraPrime**$21.17**4.5★**▲ 516%**](https://www.amazon.com/dp/B0FBJWBZQX) [![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)**mcuaeddu**$35.53**4.6★**▲ 515%**](https://www.amazon.com/dp/B0GSTNZ9CS)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -21.9% search growth over the last 90 days.

800K600KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 199.8×

## **Reviews**

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

### **What buyers love **

**Size-Overall**22%

*“fit as expected”*

**Fun/Entertainment Experience**18%

*“The kids are enjoying them”*

**Gifting Purpose**10%

*“Christmas gift for my grandson”*

**Quality-Overall**9%

*“Good quality”*

**Comfort-Overall**8%

*“Very comfy”*

**Value For Money**6%

*“Great value for the price”*

**Color**5%

*“Fun colors”*

**Brightness/Shine/Glow**4%

*“The lights are very bright and colorful”*

**Battery Inclusion**3%

*“Batteries are included”*

**Durability**3%

*“Durable and comfortable”*

### **What buyers complain about **

**Quality-Overall**17%

*“Couldve been better constructed basically just very cheap gloves with electronics inside it to flash”*

**Durability**16%

*“Broke Immediately”*

**Size-Overall**11%

*“Not true to size”*

**Material Quality**8%

*“Cheap material”*

**Smell**6%

*“Battery make it smelly”*

**Zipper Quality**6%

*“the zipper broke on it within a few uses”*

**Strap/String Quality**6%

*“Couldnt give it a five because the shoulder strap was not as adjustable enough to have it fit”*

**Color**6%

*“it's more of a pale purple not blue like the character”*

**Grip**3%

*“The fingers kept going out”*

**Product Condition**3%

*“Item arrived used”*

### **Top return reasons **

**Size-Overall**55%

**Functionality-Overall**5%

**Length**5%

**Zipper Quality**5%

**Advertised Vs Actual Product**4%

**Quality-Overall**4%

**Material Quality**2%

**Defective Material/Parts**2%

**Thigh Fit**2%

**Sleeve Fit**1%