---
title: "Madeline Costume — $6K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/madeline-costume"
last_updated: "2026-08-12T12:23:38.193Z"
locale: en
meta:
description: "Amazon product research for madeline costume: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for madeline costume: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Madeline Costume — $6K/mo Amazon US Product Research (2026)"
---
# **Madeline Costume**
**Skip it**
Soft demand (-46.3% this quarter) — this niche doesn't clear our bar today.
Market size 19Growth 2Conversion 29Competition 28Returns 21Price range 92Avg price 95Brand share 27Review moat 58Quality gap 42
**Avg price**
**Incredible****$29.68**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.39–$56.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,161.35**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****6.0%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$75K**
$75K/yr · 109K searches
**Growth**
**Bad****-46.3%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is madeline costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, madeline costume is a $75K/yr Amazon United States market (109K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 32/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **madeline costume market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$89K–$119K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#2,103**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **26.6%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **169 days**
## **Competition: brands, sellers & click share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▲rising
**Sellers**
**15**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**7%**
- YOTTOY56% - JcHrmers14% - Aphratti6% - Cozypower6% - MelangCos6% - LYSMuch5% - Open — no brand owns it (3 brands, 7%)
## **madeline costume demand & seasonality**
Weekly Amazon search volume, last 31 weeks — -46.3% search growth over the last 90 days.
4K3KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/madeline-costume/trend)
## **Top madeline costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **madeline doll**48K/yr-30.5%3.0% conv. - **madeline costume**33K/yr-69.2%0.9% conv. - **madeline toys**7K/yr-13.6%0.8% conv. - **madeline costume for girls**5K/yr-58.7%0.9% conv. - **madeline outfits**4K/yr-16.6%0.0% conv. - **madeline costume adult**5K/yr-56.1%0.3% conv. - **madeline costume toddler**6K/yr-56.2%0.9% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/madeline-costume/search-terms)
## **Top madeline costume products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$7K20%$15K30%$22K40%$30K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**YOTTOY Madeline Collection | Classic Madeline Soft Stuffed Plush Toy Doll - 16H**YOTTOY**$45.50**4.7★1,252 rev](https://www.amazon.com/dp/B004W6RECU) [2**YOTTOY Madeline Collection | Bonjour Madeline 10 Soft Doll (Yellow Dress)**YOTTOY**$28.85**4.7★1,252 rev](https://www.amazon.com/dp/B0069DGXRG) [3**JcHrmers French School Girl Costume Set Including Blue Long Sleeve Dress Straw Hat Red Scarf High Socks Gloves for Halloween Cosplay Supplies**JcHrmers**$25.71**4.6★19 rev](https://www.amazon.com/dp/B0DNMN69L1) [4**YOTTOY Madeline Collection | Madeline Poseable Doll and Genevieve Soft Toy in Take-Along Box**YOTTOY**$45.73**4.7★1,252 rev](https://www.amazon.com/dp/B00JRGJ432) [5**Cozypower 4 Pcs French School Girl Costume Accessories Set for Halloween Back to School Uniform for Kids Daily Cosplay Party**Cozypower**$17.07**5.0★4 rev](https://www.amazon.com/dp/B0D4DTJ63F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Arshiner Girls Long Sleeve Dress Fall Vintage Peter Pan Collar Cotton A Line T-Shirt Dress Kids Holiday Christmas Party Dresses Red 9-10 Years**Arshiner**$18.37**540 rev12mo ago](https://www.amazon.com/dp/B0FHKMS21C) [**JcHrmers 4 Pcs French School Costume Accessories Set for Girls Kid Yellow Hat Red Satin Square Scarf White Socks Gloves**JcHrmers**$18.59**8 rev1y ago](https://www.amazon.com/dp/B0FBR9QG2M) [**JcHrmers French School Girl Costume Set Including Blue Long Sleeve Dress Straw Hat Red Scarf High Socks Gloves for Halloween Cosplay Supplies**JcHrmers**$25.71**19 rev1y ago](https://www.amazon.com/dp/B0DNMN69L1) [**JcHrmers French School Girl Costume Set Including Blue Long Sleeve Dress Straw Hat Red Scarf High Socks Gloves for Halloween Cosplay Supplies**JcHrmers**$26.71**19 rev1y ago](https://www.amazon.com/dp/B0DNMR1J7G) [**Cozypower 4 Pcs French School Girl Costume Accessories Set for Halloween Back to School Uniform for Kids Daily Cosplay Party**Cozypower**$17.07**4 rev2y ago](https://www.amazon.com/dp/B0D4DTJ63F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LYSMuch 2-5T Toddler Girls Short Sleeve Shirt Peter Pan Collar Solid Color Basic Top Blouse TeeWhite 4-5Years**LYSMuch**$13.39**4.5★**▲ 483%**](https://www.amazon.com/dp/B0CQX1KCZQ) [**Arshiner Girls Long Sleeve Dress Fall Vintage Peter Pan Collar Cotton A Line T-Shirt Dress Kids Holiday Christmas Party Dresses Red 9-10 Years**Arshiner**$18.37**4.4★**▲ 470%**](https://www.amazon.com/dp/B0FHKMS21C) [**LYSMuch 2-5T Toddler Girls Short Sleeve Shirt Peter Pan Collar Solid Color Basic Top Blouse TeeWhite 5-6Years**LYSMuch**$13.62**4.5★**▲ 336%**](https://www.amazon.com/dp/B0CQX1DMZM) [**Aphratti Womens Short Sleeve Peter Pan Collar Cute Skater Dress Fit and Flare A-Line Casual Dresses Blue X-Small**Aphratti**$28.48**4.4★**▲ 301%**](https://www.amazon.com/dp/B01MA3Y1MK) [**Aphratti Womens Long Sleeve Fall Dresses 2025 Casual Peter Pan Collar A Line Fit and Flare Skater Goth Dress Blue Small**Aphratti**$28.05**4.6★**▲ 138%**](https://www.amazon.com/dp/B01LPOSS3K)
**~~View all trending →~~**
## **What reviews say buyers love and hate about madeline costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**30%
*“Very well made”*
**Size-Overall**22%
*“Great fit”*
**Advertised Vs Actual Product**13%
*“As described”*
**Soft Feel**13%
*“Very soft”*
**Gifting Purpose**7%
*“Perfect gift for a little girl”*
**Material Quality**6%
*“The material is lightweight”*
**Color**3%
*“Will definitely order more colors”*
**Comfort-Overall**2%
*“comfortable for wearing all day at school”*
### **What buyers complain about **
**Size-Overall**47%
*“The gloves were a little big”*
**Wrinkles**20%
*“I cant get the creases out like why would you send it in a squished packaging folded in half”*
**Quality-Overall**10%
*“Low quality”*
### **Top return reasons **
**Size-Overall**70%
**Length**6%
**Advertised Vs Actual Product**4%
**Value For Money**4%
**Quality-Overall**3%
**Chest Fit**2%
**Shape/Style**2%
**Material Quality**2%
**Sleeve Fit**1%
**Weight Heavy**1%
## **Common madeline costume questions**
- **Is madeline costume profitable to sell on Amazon United States?**
- The niche generates $75K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -46.3%. Flapen's verdict: Skip it (32/100).
- **How competitive is the madeline costume niche?**
- 9 brands and 15 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in madeline costume?**
- Top complaints mined from reviews: Size-Overall, Wrinkles, Quality-Overall. The return rate is 6.0% — above our launch gate.
- **What does it cost to enter the madeline costume niche?**
- Listings span $13.39–$56.13; the average listing price is $29.68 (sweet spot $15–$100). The average incumbent carries 1,161 reviews — the moat a new listing must climb.
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