---
title: "Squirtle Costume — $15K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/squirtle-costume"
last_updated: "2026-08-10T04:23:28.112Z"
locale: en
meta:
description: "Niche score 42/100 · $15K/yr market · 52K searches/yr · $29.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $15K/yr market · 52K searches/yr · $29.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Squirtle Costume — $15K/yr Amazon US Niche (2026) - Flapen"
---
# **squirtle costume**
**Skip it**
A small market ($15K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 74Conversion 12Competition 44Returns 9Price range 83Avg price 95Brand share 48Review moat 69Quality gap 47
**Avg price**
**Incredible****$29.39**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.75–$44.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+59.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****736.12**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****9.4%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$15K**
$15K/yr · 52K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, squirtle costume is a $15K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 42/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **squirtle costume market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$15K–$22K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#4,523**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **76%**
- **Out of stock**
- **3.7%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▲rising
**Sellers**
**32**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 93%
**Open market**
**17%**
- SAMGU28% - MAJ&COS22% - Pokémon10% - Bioworld9% - Disguise8% - CuteCosplay7% - Open — no brand owns it (9 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +59.1% search growth over the last 90 days.
10K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 50.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/squirtle-costume/trend)
## **Top squirtle 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%10%$1K20%$3K30%$4K40%$6K101001K10K 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**MAJ&COS Onesie Adult Gray Pajamas Unisex Onesies Turtle Costume For Women Men**MAJ&COS**$42.66**4.4★193 rev](https://www.amazon.com/dp/B0D77GYT4F) [2**SAMGU Squirrel Onesie Costume Adult Halloween Cosplay One Piece Pajamas for Women and Men**SAMGU**$33.60**4.4★4,434 rev](https://www.amazon.com/dp/B0D459RDFW) [3**Bioworld Pokemon Adult Squirtle 007 Embroidered Precurve Snapback Hat for Men and Women**Bioworld**$24.53**4.8★178 rev](https://www.amazon.com/dp/B0CL17Y62F) [4**Kids Animal Onesie Cosplay One-Piece Pajamas Christmas Halloween Costumes**CuteCosplay**$17.63**4.5★497 rev](https://www.amazon.com/dp/B0CB113WBF) [5**SAMGU Squirrel Onesie Adult Halloween Cosplay Costume Cartoon One Piece Pajamas Homewear for Women Men Large**SAMGU**$29.50**4.4★4,434 rev](https://www.amazon.com/dp/B09WYN7C4F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pokemon Boys Bathing Suit Bulbasaur Squirtle Charmander and Pikachu Kids Swimsuits 2 Piece Boys Swim Set Red 12**Pokémon**$36.73**10 rev4mo ago](https://www.amazon.com/dp/B0GN3D78BW) [**DELEY Onesie Kids Halloween Christmas Costume Cosplay Sleepwear One Piece Animal Pajamas for 4-13 Flying Squirrel Grey**DELEY**$33.45**24 rev1y ago](https://www.amazon.com/dp/B0F8MDV5S1) [**Magicmode Kids Flying Squirrel Onesie Pajamas Soft Flannel Halloween Cosplay Costumes for Boys Girls**Magicmode**$35.85**128 rev1y ago](https://www.amazon.com/dp/B0F2MW66VR) [**Bioworld Pokemon Pajama Womens Squirtle Varsity Raglan Sleep Shirt V-Neck Nightgown (White/Blue Large)**Bioworld**$24.48**53 rev1y ago](https://www.amazon.com/dp/B0F1VBSBN9) [**SAMGU Squirrel Onesie Costume Adult Plush Fleece Halloween Party Cosplay Suit One Piece Pajamas for Women and Men**SAMGU**$26.53**94 rev1y ago](https://www.amazon.com/dp/B0DT9HHF5V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pokemon Boys Bathing Suit Bulbasaur Squirtle Charmander and Pikachu Kids Swimsuits 2 Piece Boys Swim Set Red 12**Pokémon**$36.73**4.6★**▲ 157%**](https://www.amazon.com/dp/B0GN3D78BW) [**SAMGU Squirrel Onesie Adult Plush Fleece Halloween Cosplay Costume One Piece Pajamas**SAMGU**$31.44**4.4★**▲ 157%**](https://www.amazon.com/dp/B0D44SD4R9) [**DELEY Onesie Kids Halloween Christmas Costume Cosplay Sleepwear One Piece Animal Pajamas for 4-13 Flying Squirrel Grey**DELEY**$33.45**4.5★**▲ 157%**](https://www.amazon.com/dp/B0F8MDV5S1) [**SAMGU Squirrel Onesie Costume Adult Halloween Cosplay One Piece Pajamas for Women and Men**SAMGU**$33.60**4.4★**▲ 156%**](https://www.amazon.com/dp/B0D459RDFW) [**Pokmon Boys Baseball Jersey Shirt - Pikachu Charizard Squirtle and Bulbasaur-Boys Sizes XS-XL White**Pokémon**$33.73**4.5★**▲ 156%**](https://www.amazon.com/dp/B0D47XGMQZ)
**~~View all trending →~~**
## **What buyers say about squirtle costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**35%
*“fit to size perfectly”*
**Soft Feel**21%
*“Very soft”*
**Value For Money**15%
*“Great for value”*
**Material Quality**8%
*“Material is great”*
**Ease Of Use**8%
*“was easily to put on”*
**Quality-Overall**6%
*“Quality is nice”*
**Color**6%
*“Color looks just as pictured and vibrant”*
### **What buyers complain about **
**Size-Overall**100%
*“small”*
### **Top return reasons **
**Size-Overall**57%
**Length**7%
**Quality-Overall**4%
**Advertised Vs Actual Product**4%
**Strength**4%
**Material Quality**3%
**Strap/String Quality**3%
**Value For Money**3%
**Product Condition**2%
**Thigh Fit**2%
## **Common questions**
- **Is squirtle costume profitable to sell on Amazon United States?**
- The niche generates $15K/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +59.1%. Flapen's verdict: Skip it (42/100).
- **How competitive is the squirtle costume niche?**
- 15 brands and 32 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in squirtle costume?**
- Top complaints mined from reviews: Size-Overall. The return rate is 9.4% — above our launch gate.
- **When does demand for squirtle costume peak?**
- Demand peaks in Sep–Oct; the busiest month runs 50.1× the quietest.
- **What does it cost to enter the squirtle costume niche?**
- Listings span $9.75–$44.89; the average listing price is $29.39 (sweet spot $15–$100). The average incumbent carries 736 reviews — the moat a new listing must climb.
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