---
title: "Flash Costume — $23K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/flash-costume"
last_updated: "2026-08-12T13:05:03.103Z"
locale: en
meta:
description: "Amazon product research for flash costume: $23K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for flash costume: $23K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Flash Costume — $23K/mo Amazon US Product Research (2026)"
---
# **Flash Costume**
**Skip it**
Prices mostly outside the sweet spot ($9.81–$3803.64) — this niche doesn't clear our bar today.
Market size 50Growth 29Conversion 8Competition 83Returns 14Price range 2Avg price 65Brand share 20Review moat 73Quality gap 57
**Competition**
**Great****32%**
top-5 click share — an open shelf
**Review moat**
**Good****565.7**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$130.69**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$273K**
$273K/yr · 312K searches
**Growth**
**Okay****+2.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Returns**
**Bad****8.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$9.81–$3803.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
## **Is flash costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, flash costume is a $273K/yr Amazon United States market (312K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 41/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flash 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**
- **$392K–$523K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#9,344**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **54%**
- **Out of stock**
- **14.7%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **158 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.
**Brands**
**11 **▲rising
**Sellers**
**46**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**32%**
Top 20: 73%
**Open market**
**6%**
- Rubies51% - INTIMO17% - DC Comics17% - Fun Costumes4% - Trippy Lights3% - SalesOne2% - Open — no brand owns it (5 brands, 6%)
## **flash costume demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
35K25KSpike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 12.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/flash-costume/trend)
## **Top flash costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **flash costume**88K/yr+12.5%1.1% conv. - **flash mask**24K/yr+15.1%0.8% conv. - **the flash costume**40K/yr+20.1%0.5% conv. - **flash costume kids**50K/yr+9.3%1.8% conv. - **flash costume adult**25K/yr+9.8%0.8% conv. - **the flash mask**9K/yr+0.1%0.5% conv. - **flash suit**8K/yr-10.6%0.2% conv. - **flash kids costume**8K/yr-15.5%2.2% conv. - **flash costume for kids 4-6**13K/yr-68.5%4.6% conv. - **kid flash costume**7K/yr+8.3%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/flash-costume/search-terms)
## **Top flash 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%3%$8K6%$16K9%$25K12%$33K1101001K10K 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**Rubies at Party City DC Comics Superheroes: The Flash Costume for Kids Boys Small**Rubies**$30.59**4.6★3,556 rev](https://www.amazon.com/dp/B00SL12KUS) [2**Rubies DC The Flash Movie: The Flash Deluxe Costume for Kids Boys Medium**Rubies**$30.68**4.5★365 rev](https://www.amazon.com/dp/B09NVG42GF) [3**DC Comics Flash Reverse Flash 2 Pack Casual Crew Socks Multi Colored Fits Shoe size-6-12**DC Comics**$12.21**4.7★740 rev](https://www.amazon.com/dp/B01MRCIUHC) [4**Rubies DC Justice League: The Flash Gloves for Adults Mens No Size Red**Rubies**$17.93**4.3★74 rev](https://www.amazon.com/dp/B06XQX3825) [5**DC Comics Justice League Superhero Matching Family Pajamas Union Suit (Toddler Flash 2T/3T)**INTIMO**$20.73**4.6★837 rev](https://www.amazon.com/dp/B08KGXXPXG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mens Womens LED Flash Light Jacket Rave Hoodies Vest Couple Carnival Pants Party Xmas Fancy Dress Prefermence Costume (Pants XX-Large)**aifuu**$37.10**73 rev6mo ago](https://www.amazon.com/dp/B0BKGG1CX8) [**DC Comics Boys The Flash Soccer Mesh Jersey Tee & Short 2PC Set**DC Comics**$22.68**3 rev1y ago](https://www.amazon.com/dp/B0DQK7D63Y) [**Trippy Lights Red Superhero Latex Adult Overhead Costume Halloween Cosplay Prop Mask (Large)**Trippy Lights**$20.71**20 rev1y ago](https://www.amazon.com/dp/B0DFYYS2PB) [**Rubies DC Comics Superheroes: The Flash Costume for Adults Mens Large**Rubies**$55.49**14 rev2y ago](https://www.amazon.com/dp/B0CQMLWRMM) [**DC Comics Boys The Flash Cosplay Zip-up Hoodie with Cape - 4-20 Sweatshirt Red 7 US**DC Comics**$24.64**123 rev4y ago](https://www.amazon.com/dp/B09V8BGPC1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mens Womens LED Flash Light Jacket Rave Hoodies Vest Couple Carnival Pants Party Xmas Fancy Dress Prefermence Costume (Pants XX-Large)**aifuu**$37.10**3.9★**▲ 519%**](https://www.amazon.com/dp/B0BKGG1CX8) [**DC Comics The Flash Logo Barry Mens Casual Crew Sock Set Pack of 2**DC Comics**$12.40**4.7★**▲ 517%**](https://www.amazon.com/dp/B07FTV76YJ) [**DC Comics Toddler Boys Classic The Flash Union Suit Zip-Up Footless Pajama (2T) Red**INTIMO**$14.99**4.8★**▲ 510%**](https://www.amazon.com/dp/B09MJRBSCB) [**INTIMO DC Comics Boys The Flash Plush Fleece Hooded Costume Robe (Flash 14/16)**INTIMO**$22.88**4.7★**▲ 486%**](https://www.amazon.com/dp/B07YVH4SG4) [**DC Comics Boys The Flash Soccer Mesh Jersey Tee & Short 2PC Set**DC Comics**$22.68**4.6★**▲ 485%**](https://www.amazon.com/dp/B0DQK7D63Y)
**~~View all trending →~~**
## **What reviews say buyers love and hate about flash costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**33%
*“Good socks great quality”*
**Durability**15%
*“surprisingly durable for the price”*
**Size-Overall**15%
*“Fit him perfectly”*
**Value For Money**8%
*“Reasonable for price point”*
**Fun/Entertainment Experience**6%
*“Fun”*
**Material Quality**6%
*“down with them all day so definitely good material”*
**Comfort-Overall**5%
*“Cute and comfy”*
**Advertised Vs Actual Product**4%
*“Exactly as expected”*
**Stretchability/Expandability/Elasticity**3%
*“They were stretchy”*
**Soft Feel**2%
*“soft”*
### **What buyers complain about **
**Size-Overall**39%
*“Size table is wrong”*
**Quality-Overall**25%
*“Cheap”*
**Functionality-Overall**17%
*“Doesn't work”*
**Durability**8%
*“The mask broke within a month of opening”*
### **Top return reasons **
**Size-Overall**76%
**Defective Material/Parts**3%
**Product Condition**3%
**Material Quality**3%
**Quality-Overall**3%
**Advertised Vs Actual Product**2%
**Brightness/Shine/Glow**2%
**Length**2%
**Comfort-Overall**1%
**Neck Fit**1%
## **Common flash costume questions**
- **Is flash costume profitable to sell on Amazon United States?**
- The niche generates $273K/yr across 46 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Skip it (41/100).
- **How competitive is the flash costume niche?**
- 11 brands and 46 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in flash costume?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Functionality-Overall. The return rate is 8.2% — above our launch gate.
- **When does demand for flash costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 12.4× the quietest.
- **What does it cost to enter the flash costume niche?**
- Listings span $9.81–$3803.64; the average listing price is $130.69 (sweet spot $15–$100). The average incumbent carries 566 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)