---
title: "Robber Costume for Boys — $16K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/robber-costume-for-boys"
last_updated: "2026-08-11T08:50:48.042Z"
locale: en
meta:
description: "Niche score 26/100 · $16K/yr market · 79K searches/yr · $18.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 26/100 · $16K/yr market · 79K searches/yr · $18.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Robber Costume for Boys — $16K/yr Amazon US Niche (2026) - Flapen"
---
# **robber costume for boys**
**Skip it**
Soft demand (-62.1% this quarter) — this niche doesn't clear our bar today.
Market size 4Growth 0Conversion 13Competition 13Returns 3Price range 76Avg price 85Brand share 29Review moat 89Quality gap 63
**Review moat**
**Great****211.3**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$18.84**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.59–$28.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.1%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$16K**
$16K/yr · 79K searches
**Returns**
**Bad****11.3%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-62.1%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, robber costume for boys is a $16K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 26/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **robber costume for boys market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$28K–$38K**
- units × avg price
- **Conversion rate**
- **1.1%**
- **Avg BSR**
- **#16,117**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **70%**
- **Out of stock**
- **34.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**9%**
- A&J DESIGN56% - Yoroka18% - Eylola6% - CiviLight5% - MEDEJU4% - fun shack3% - Open — no brand owns it (3 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 89 weeks — -62.1% search growth over the last 90 days.
13K8KHoliday '24Spike '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 52.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/robber-costume-for-boys/trend)
## **Top robber costume for boys search terms**
- **robber costume kids**42K/yr-60.4%1.1% conv. - **burglar costume kids**7K/yr-12.2%0.5% conv. - **kids robber costume**8K/yr-66.7%1.5% conv. - **thief costume kids**4K/yr-75.7%0.9% conv. - **kids burglar costume**6K/yr-64.7%0.0% conv. - **toddler robber costume**4K/yr-78.5%0.0% conv. - **cops and robbers costume kids**4K/yr-79.8%0.0% conv. - **bank robber costume kids**4K/yr-61.3%9.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/robber-costume-for-boys/search-terms)
## **Top robber costume for boys products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$2K30%$5K45%$7K60%$9K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**A&J DESIGN Black and White Striped Pajamas Set for Toddler Boys Girls Halloween Robber Prisoner Thief Pjs for Kids 5T**A&J DESIGN**$21.94**4.8★211 rev](https://www.amazon.com/dp/B0CBJLKC6X) [2**Yoroka Kids robber stripe costume Halloween Costume bandit outfit Thief set for boys-S**Yoroka**$21.45**4.8★28 rev](https://www.amazon.com/dp/B0F9KYR436) [3**Eylola Kids Robber Costume Set Cosplay Thief Accessories for Halloween Party Black and White Striped Knit Beanie Cap Cosplay Burglar Accessories (9-11 years)**Eylola**$19.00**4.2★44 rev](https://www.amazon.com/dp/B0CNG5DK45) [4**CiviLight Robber Costume Set of 4 Halloween Thief Themed Cosplay Accessories With Robber Mask Money Bag Hat Gloves Unisex**CiviLight**$10.59**4.1★13 rev](https://www.amazon.com/dp/B0D3GFJ99T) [5**MEDEJU Robber Costume Accessories Set Thief Costume Bank Robber Costume For Kid 9-11years**MEDEJU**$19.14**4.3★21 rev](https://www.amazon.com/dp/B0D7VXLH2V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Yoroka Kids robber stripe costume Halloween Costume bandit outfit Thief set for boys-S**Yoroka**$21.45**28 rev1y ago](https://www.amazon.com/dp/B0F9KYR436) [**A&J DESIGN Black and White Striped Pajamas Set for Toddler Boys Girls Halloween Robber Prisoner Thief Pjs for Kids Black and Beige 8 Years**A&J DESIGN**$13.96**2 rev2y ago](https://www.amazon.com/dp/B0D83B1SHS) [**MEDEJU Robber Costume Accessories Set Thief Costume Bank Robber Costume For Kid 9-11years**MEDEJU**$19.14**21 rev2y ago](https://www.amazon.com/dp/B0D7VXLH2V) [**CiviLight Robber Costume Set of 4 Halloween Thief Themed Cosplay Accessories With Robber Mask Money Bag Hat Gloves Unisex**CiviLight**$10.59**13 rev2y ago](https://www.amazon.com/dp/B0D3GFJ99T) [**Eylola Kids Robber Costume Set Cosplay Thief Accessories for Halloween Party Black and White Striped Knit Beanie Cap Cosplay Burglar Accessories (9-11 years)**Eylola**$19.00**44 rev2y ago](https://www.amazon.com/dp/B0CNG5DK45)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**A&J DESIGN Black and White Striped Pajamas Set for Toddler Boys Girls Halloween Robber Prisoner Thief Pjs for Kids 5T**A&J DESIGN**$21.94**4.8★**▲ 249%**](https://www.amazon.com/dp/B0CBJLKC6X) [**A&J DESIGN Black and White Striped Pajamas Set for Toddler Boys Girls Halloween Robber Prisoner Thief Pjs for Kids Black and Beige 8 Years**A&J DESIGN**$13.96**4.0★**▲ 191%**](https://www.amazon.com/dp/B0D83B1SHS) [**Yoroka Kids robber stripe costume Halloween Costume bandit outfit Thief set for boys-S**Yoroka**$21.45**4.8★**▼ 11%**](https://www.amazon.com/dp/B0F9KYR436) [**CiviLight Robber Costume Set of 4 Halloween Thief Themed Cosplay Accessories With Robber Mask Money Bag Hat Gloves Unisex**CiviLight**$10.59**4.1★**▼ 30%**](https://www.amazon.com/dp/B0D3GFJ99T) [**Eylola Kids Robber Costume Set Cosplay Thief Accessories for Halloween Party Black and White Striped Knit Beanie Cap Cosplay Burglar Accessories (9-11 years)**Eylola**$19.00**4.2★**▼ 33%**](https://www.amazon.com/dp/B0CNG5DK45)
**~~View all trending →~~**
## **What buyers say about robber costume for boys**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**100%
*“Great Fun”*
### **Top return reasons **
**Size-Overall**66%
**Advertised Vs Actual Product**11%
**Quality-Overall**6%
**Material Quality**5%
**Comfort-Overall**4%
**Arm Fit**4%
**Gifting Purpose**1%
**Neck Fit**1%
**Product Condition**1%
**Thin**1%
## **Common questions**
- **Is robber costume for boys profitable to sell on Amazon United States?**
- The niche generates $16K/yr across 10 tracked products. 90-day search growth is -62.1%. Flapen's verdict: Skip it (26/100).
- **How competitive is the robber costume for boys niche?**
- 9 brands and 10 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 88% of demand.
- **When does demand for robber costume for boys peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 52.7× the quietest.
- **What does it cost to enter the robber costume for boys niche?**
- Listings span $10.59–$28.96; the average listing price is $18.84 (sweet spot $15–$100). The average incumbent carries 211 reviews — the moat a new listing must climb.
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