---
title: "Harley Quinn Costume for Girls — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/harley-quinn-costume-for-girls"
last_updated: "2026-08-12T23:31:23.651Z"
locale: en
meta:
description: "Amazon product research for harley quinn costume for girls: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for harley quinn costume for girls: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Harley Quinn Costume for Girls — Amazon US Product Research"
---
# **Harley Quinn Costume for Girls**
**Skip it**
High returns (12.8%) — this niche doesn't clear our bar today.
Market size 5Growth 50Conversion 3Competition 66Returns 0Price range 76Avg price 90Brand share 48Review moat 60Quality gap 57
**Avg price**
**Great****$20.97**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.42–$45.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****1,103.23**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+19.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$20K**
$20K/yr · 433K searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****12.8%**
return rate — above 5% kills the launch gate
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is harley quinn costume for girls profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, harley quinn costume for girls is a $20K/yr Amazon United States market (433K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 40/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **harley quinn costume for girls market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$63K–$84K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#3,829**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **50%**
- **Out of stock**
- **12.3%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **171 days**
## **Competition: brands, sellers & click share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**45%**
Top 20: 92%
**Open market**
**17%**
- Rubies30% - INTIMO17% - Bioworld13% - ABONDEVER9% - WARNER BROS7% - Amscan6% - Open — no brand owns it (9 brands, 17%)
## **harley quinn costume for girls demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +19.9% search growth over the last 90 days.
150K100KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 127.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/harley-quinn-costume-for-girls/trend)
## **Top harley quinn costume for girls search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **harley quinn costume kids**236K/yr+14.0%0.2% conv. - **harley quinn costume for girls**34K/yr+122.6%0.0% conv. - **harley quinn costume for kids**19K/yr+21.1%0.1% conv. - **harley quinn kids costume**18K/yr-8.6%0.4% conv. - **kids harley quinn costume**26K/yr+29.2%0.4% conv. - **girls harley quinn costume**20K/yr+29.6%0.6% conv. - **harley quinn costume girls**10K/yr+10.4%0.9% conv. - **harley quinn girls costume**7K/yr+10.8%0.7% conv. - **disfraz de harley quinn para nia**11K/yr+9.5%0.5% conv. - **disfraz harley quinn nia**4K/yr+94.3%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/harley-quinn-costume-for-girls/search-terms)
## **Top harley quinn costume for girls 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%3%$5996%$1K9%$2K12%$2K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Bioworld Suicide Squad Harley Quinn Daddys Lil Monster Raglan T-Shirt (Medium) White**Bioworld**$27.13**4.4★4,408 rev](https://www.amazon.com/dp/B01JZWZ2EW) [2**DC Comics Girls Harley Quinn One Piece Union Suit Critter Pajama Outfit 14/16**INTIMO**$24.25**4.7★314 rev](https://www.amazon.com/dp/B07WJ1BQ8D) [3**ABONDEVER Puddin Choker Halloween Set Adjustable Punk Leather Letter Collar Necklace Tattoo Stickers Rivets Spike Bracelet Halloween Accessories for Women(Black-B)**ABONDEVER**$15.77**4.5★347 rev](https://www.amazon.com/dp/B0B58RXQW8) [4**WARNER BROS. Harley Quinn Toddler Girls Cosplay Costume Dress Leggings and Headband 3 Piece Set 2T**WARNER BROS**$22.32**4.6★280 rev](https://www.amazon.com/dp/B0892SWL4B) [5**Rubies at Party City DC Villains Suicide Squad: Harley Quinn Costume for Adults by Rubies Womens Small**Rubies**$45.08**4.1★1,750 rev](https://www.amazon.com/dp/B01COL8S1A)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Girls Harley Quinn Costume | Kids Comic Villain Outfit with Choker Gloves and Leg Warmers for Halloween Medium**Fun Costumes**$19.43**19 rev8mo ago](https://www.amazon.com/dp/B0FWG2VPR1) [**Rubies DC Comics Villains: Harley Quinn Costume for Kids Girls Costume Jacket & Shorts Medium**Rubies**$41.91**43 rev1y ago](https://www.amazon.com/dp/B0DP864SGR) [**Mysense Halloween Costume Accessories for Adults Women Cosplay Makeup Red and Blue Clip in Hair Extensions + Face Body Paint Stick + Black Liquid Eyeliner Stamp Makeup Kit**Mysense**$11.48**513 rev1y ago](https://www.amazon.com/dp/B0DCJBG5PQ) [**Olldag Red and Blue Hair Extensions Clip in 10 PCS Curly Wavy Synthetic Hairpieces Rainbow Neon Party Highlights Colorful Hair Accessories for Girls Women 17 inch (Red Blue)**Olldag**$7.56**867 rev2y ago](https://www.amazon.com/dp/B0CZ3MYXPV) [**Century Star Red and Blue Tutu for Toddler Girls Tulle Ballet Skirts Princess Tutus Baby Kids Infant 3 Layers Birthday Festival 3-8 Years**Century Star**$10.00**438 rev2y ago](https://www.amazon.com/dp/B0CF576L5R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**DC Comics Girls Harley Quinn One Piece Union Suit Critter Pajama Outfit 18/20**INTIMO**$25.26**4.7★**▲ 1000%**](https://www.amazon.com/dp/B08H4BHK22) [**Bioworld Suicide Squad Harley Quinn Daddys Lil Monster Raglan T-Shirt (Medium) White**Bioworld**$27.13**4.4★**▲ 1000%**](https://www.amazon.com/dp/B01JZWZ2EW) [**DC Comics Girls Harley Quinn One Piece Union Suit Critter Pajama Outfit 14/16**INTIMO**$24.25**4.7★**▲ 598%**](https://www.amazon.com/dp/B07WJ1BQ8D) [**ABONDEVER Puddin Choker Halloween Set Adjustable Punk Leather Letter Collar Necklace Tattoo Stickers Rivets Spike Bracelet Halloween Accessories for Women(Black-B)**ABONDEVER**$15.77**4.5★**▲ 554%**](https://www.amazon.com/dp/B0B58RXQW8) [**WARNER BROS. Harley Quinn Toddler Girls Cosplay Costume Dress Leggings and Headband 3 Piece Set 2T**WARNER BROS**$22.32**4.6★**▲ 258%**](https://www.amazon.com/dp/B0892SWL4B)
**~~View all trending →~~**
## **What reviews say buyers love and hate about harley quinn costume for girls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“The sizing was accurate”*
**Quality-Overall**22%
*“Perfect makeup”*
**Value For Money**12%
*“Cheap in price”*
**Warmth**8%
*“And she loves how it keeps her legs warm”*
**Advertised Vs Actual Product**7%
*“just like the picture”*
**Stretchability/Expandability/Elasticity**4%
*“The quality is perfect my daughter looked so cool very stretchy very comfortable”*
**Color**4%
*“The colors are bright”*
**Durability**3%
*“The material felt durable”*
**Comfort-Overall**3%
*“Feels comfy and snug”*
**Fun/Entertainment Experience**2%
*“the details are fun”*
### **What buyers complain about **
**Size-Overall**25%
*“Not for larger people”*
**Quality-Overall**16%
*“Poor quality”*
**Ease Of Use**13%
*“They dont clip in easily”*
**Color**13%
*“Red lipstick on skin is more orange, not red”*
**Neck Fit**6%
*“Did not fit around my neck”*
**Feet Fit**6%
*“Too small in foot area and calf”*
**Material Quality**4%
*“Needs to be made of better material”*
### **Top return reasons **
**Size-Overall**52%
**Quality-Overall**7%
**Length**7%
**Color**5%
**Product Condition**4%
**Advertised Vs Actual Product**4%
**Defective Material/Parts**3%
**Chest Fit**3%
**Thigh Fit**2%
**Waist Fit**2%
## **Common harley quinn costume for girls questions**
- **Is harley quinn costume for girls profitable to sell on Amazon United States?**
- The niche generates $20K/yr across 30 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +19.9%. Flapen's verdict: Skip it (40/100).
- **How competitive is the harley quinn costume for girls niche?**
- 15 brands and 53 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in harley quinn costume for girls?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Ease Of Use. The return rate is 12.8% — above our launch gate.
- **When does demand for harley quinn costume for girls peak?**
- Demand peaks in Sep–Oct; the busiest month runs 127.2× the quietest.
- **What does it cost to enter the harley quinn costume for girls niche?**
- Listings span $5.42–$45.08; the average listing price is $20.97 (sweet spot $15–$100). The average incumbent carries 1,103 reviews — the moat a new listing must climb.
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