---
title: "Spy Costume — $89K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/spy-costume"
last_updated: "2026-08-10T02:12:07.667Z"
locale: en
meta:
description: "Niche score 52/100 · $89K/yr market · 229K searches/yr · $18.99 avg price. High returns (8.4%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $89K/yr market · 229K searches/yr · $18.99 avg price. High returns (8.4%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Spy Costume — $89K/yr Amazon US Niche (2026) - Flapen"
---
# **spy costume**
**Worth a look**
Shows no brand lock-in (top 5 brands take 38% of clicks), but high returns (8.4%) keeps it on the watch list.
Market size 22Growth 19Conversion 26Competition 82Returns 13Price range 81Avg price 85Brand share 95Review moat 74Quality gap 76
**Brand share**
**Incredible****38%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$18.99**
avg listing price — sweet spot $15–$100
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Price range**
**Great****$7.00–$53.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****545.31**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$89K**
$89K/yr · 229K searches
**Growth**
**Bad****-11.5%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****8.4%**
return rate — above 5% kills the launch gate
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, spy costume is a $89K/yr Amazon United States market (229K searches/yr). The top 5 brands hold 38% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 52/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spy costume market data**
- **Units sold / yr**
- **6K–8K**
- avg 0–100/product
- **Revenue / yr**
- **$114K–$152K**
- units × avg price
- **Conversion rate**
- **2.0%**
- **Avg BSR**
- **#5,781**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **84%**
- **Out of stock**
- **9.8%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **184 days**
## **Competition & brand share**
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.
**Brands**
**47 **▲rising
**Sellers**
**84**
**Top-5 brand share**
**38%**
Top 20: 79%
**Top-5 click share**
**33%**
Top 20: 71%
**Open market**
**57%**
- MOPHOTO10% - Pistha10% - Fun Costumes7% - ZIZWO6% - Horolam5% - Lizgoxd5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.5% search growth over the last 90 days.
20K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 8.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/spy-costume/trend)
## **Top spy costume search terms**
- **spy costume**39K/yr+1.5%2.1% conv. - **secret service costume**29K/yr-23.5%4.8% conv. - **secret agent costume**22K/yr-6.0%2.7% conv. - **spy costume for kids**29K/yr-36.5%1.6% conv. - **secret agent accessories**10K/yr+38.1%3.6% conv. - **spy kids costume**19K/yr-13.4%0.7% conv. - **secret service accessories**4K/yr+37.5%5.5% conv. - **spy costume women**17K/yr-15.0%1.2% conv. - **spy accessories**8K/yr-4.7%1.4% conv. - **secret agent costume women**6K/yr+22.3%1.9% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/spy-costume/search-terms)
## **Top spy costume 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%3%$3K6%$5K9%$8K12%$11K1101001K10K 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**MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL**MOPHOTO**$40.59**4.3★3,310 rev](https://www.amazon.com/dp/B07FVDKV5K) [2**Pistha 4 Pieces Agent Costume Set Secret Security Service Costume Accessories Fake Earpiece Black Sunglasses Adjustable Zipper Ties and ID Card for Men Halloween Playing Cosplay Party**Pistha**$8.23**4.4★158 rev](https://www.amazon.com/dp/B0D3WYCSVF) [3**4PCS Secret Agent Accessories Secret Service Costume Set with Adjustable Zipper Ties Sunglasses Fake Earpiece ID Card for Adult Kids Halloween Cosplay**ZIZWO**$9.95**4.5★66 rev](https://www.amazon.com/dp/B0DKXK6W3C) [4**Horolam MIB Agent Costume Accessories Secret Service Costume Set Spy Costume Accessories for Men Women Kids for Cosplay (Agent)**Horolam**$12.46**4.5★250 rev](https://www.amazon.com/dp/B0DJNQMNNG) [5**Lizgoxd Secret Agent Costume Secret Service Props Black Spy Costume Accessories for Halloween Men Women**Lizgoxd**$8.01**3.9★27 rev](https://www.amazon.com/dp/B0GWPFH7CM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Lizgoxd Secret Agent Costume Secret Service Props Black Spy Costume Accessories for Halloween Men Women**Lizgoxd**$8.01**27 rev3mo ago](https://www.amazon.com/dp/B0GWPFH7CM) [**5PCS Secret Agent Costume Accessories Detective Badge Costume Secret Agent Accessories Includes Sunglasses Zip Tie Secret Agent Lanyards Pass Card Agent Earpiece and Earbud for Cosplay Accessories**2 MULE TEAM**$9.91**2 rev7mo ago](https://www.amazon.com/dp/B0G4QYRZ1X) [**Yxtwaeh 4 Pcs Agent Costume Set Sunglasses Fake Earpiece Zip Tie ID Badge Secret Service Accessories for Halloween Cosplay Dress Up Black**Yxtwaeh**$7.00**2 rev8mo ago](https://www.amazon.com/dp/B0FYMRQ9WK) [**Dreamtop 16 Pcs Agent Costume Set - Secret Security Guard Costume ID Badge Prop with Protective Case Adjustable Tie Earpiece and Black Sunglasses for Halloween Cosplay Party Dress Up**Dreamtop**$19.78**50 rev12mo ago](https://www.amazon.com/dp/B0FJDQGBH9) [**HOVEOX Detective Costume Spy Costumes Detective Costume Set for Halloween (Black)**HOVEOX**$13.87**7 rev1y ago](https://www.amazon.com/dp/B0FHJB5CH8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lizgoxd Secret Agent Costume Secret Service Props Black Spy Costume Accessories for Halloween Men Women**Lizgoxd**$8.01**3.9★**▲ 360%**](https://www.amazon.com/dp/B0GWPFH7CM) [**MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL**MOPHOTO**$40.59**4.3★**▲ 331%**](https://www.amazon.com/dp/B07FVDKV5K) [**5PCS Secret Agent Costume Accessories Detective Badge Costume Secret Agent Accessories Includes Sunglasses Zip Tie Secret Agent Lanyards Pass Card Agent Earpiece and Earbud for Cosplay Accessories**2 MULE TEAM**$9.91**5.0★**▲ 283%**](https://www.amazon.com/dp/B0G4QYRZ1X) [**Adult Secret Agent Man Costume for Men | Includes Jacket & Accessories | Undercover Spy Halloween Outfit X-Large**Fun Costumes**$31.31**5.0★**▲ 276%**](https://www.amazon.com/dp/B0FD43S6SS) [**Full Bodysuit Kids Dancewear Solid Color Spandex Zentai Child Unitard (Black Medium)**Full Bodysuit**$18.82**4.5★**▲ 219%**](https://www.amazon.com/dp/B07FDZTSVX)
**~~View all trending →~~**
## **What buyers say about spy costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Glasses have some good quality”*
**Size-Overall**14%
*“Amazing fit”*
**Value For Money**13%
*“Good price”*
**Fun/Entertainment Experience**10%
*“Fun”*
**Advertised Vs Actual Product**8%
*“As shown”*
**Ease Of Use**4%
*“easy to use”*
**Material Quality**3%
*“Material is soft, durable, opaque, and non see through”*
**Add-Ons/Attachments**2%
*“Great accessories”*
**Durability**2%
*“still looks brand new”*
**Gifting Purpose**2%
*“It also makes a fun gift for anyone who enjoys spy movies and costumes”*
### **What buyers complain about **
**Size-Overall**18%
*“The tie is pretty small/short”*
**Quality-Overall**12%
*“QUALITY CONTROL needs to be involved”*
**Durability**8%
*“Probably wouldn't last wearing all the time”*
**Value For Money**7%
*“When I first ordered them I thought they were underpriced at $46.99 in Aug 2024”*
**Functionality-Overall**5%
*“They didnt work I had to return”*
**Strength**4%
*“And is very flimsy”*
**Material Quality**3%
*“Junk material n runs way small”*
**Product Condition**3%
*“It came used and covered in leaves and pine straw”*
**Adhesion/Stickiness**3%
*“They don't stay in place”*
**Gifting Purpose**2%
*“very disappointed was a present for 9 year old”*
### **Top return reasons **
**Size-Overall**54%
**Quality-Overall**6%
**Chest Fit**6%
**Advertised Vs Actual Product**5%
**Length**3%
**Defective Material/Parts**3%
**Material Quality**3%
**Functionality-Overall**2%
**Value For Money**2%
**Waist Fit**2%
## **Common questions**
- **Is spy costume profitable to sell on Amazon United States?**
- The niche generates $89K/yr across 55 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is -11.5%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the spy costume niche?**
- 47 brands and 84 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 38% of demand.
- **What do buyers complain about in spy costume?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 8.4% — above our launch gate.
- **When does demand for spy costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 8.6× the quietest.
- **What does it cost to enter the spy costume niche?**
- Listings span $7.00–$53.01; the average listing price is $18.99 (sweet spot $15–$100). The average incumbent carries 545 reviews — the moat a new listing must climb.
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