---
title: "Cartman Costume — $10K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/cartman-costume"
last_updated: "2026-08-11T11:38:46.969Z"
locale: en
meta:
description: "Niche score 35/100 · $10K/yr market · 78K searches/yr · $27.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $10K/yr market · 78K searches/yr · $27.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cartman Costume — $10K/yr Amazon US Niche (2026) - Flapen"
---
# **cartman costume**
**Skip it**
A small market ($10K/yr) — this niche doesn't clear our bar today.
Market size 2Growth 8Conversion 6Competition 56Returns 29Price range 88Avg price 95Brand share 59Review moat 82Quality gap 27
**Avg price**
**Incredible****$27.70**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.94–$71.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****361.04**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-33.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$10K**
$10K/yr · 78K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, cartman costume is a $10K/yr Amazon United States market (78K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 35/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cartman costume market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$55K–$69K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#64,235**
- **Page quality**
- **0%**
- **Prime**
- **64%**
- **Sponsored**
- **72%**
- **Out of stock**
- **26.6%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 94%
**Open market**
**23%**
- Rubies23% - Concept One13% - Changes13% - Costume Agent12% - WooHand8% - Popfunk7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -33.3% search growth over the last 90 days.
15K10KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 93.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/cartman-costume/trend)
## **Top cartman costume search terms**
- **cartman costume**43K/yr-36.5%1.4% conv. - **eric cartman costume**30K/yr-27.1%1.1% conv. - **cartman costume adult**4K/yr-43.7%2.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/cartman-costume/search-terms)
## **Top cartman 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%5%$48310%$96715%$1K20%$2K1101001K10K 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 South Park: Eric Cartman Inflatable Costume for Adults Mens One Size**Rubies**$71.69**4.4★123 rev](https://www.amazon.com/dp/B08454PRGK) [2**South Park Cartman Cosplay Knitted Acrylic Winter Beanie Hat with Pom Pom Turquoise/Yellow One Size**Concept One**$20.60**4.8★3,567 rev](https://www.amazon.com/dp/B073L4FX26) [3**Halloween Cosplay Funny Beanie Hat and Gloves Character Park Knit Hat Winter Christmas Costume Accessories for Men Women Kids (Yellow)**WooHand**$12.86**4.5★48 rev](https://www.amazon.com/dp/B0FDK9QJK6) [4**Changes South Park Cartman Big Face Costume T-Shirt (Medium) Red**Changes**$19.63**4.6★58 rev](https://www.amazon.com/dp/B0CTKT75PY) [5**Shinymoon Beanie Hat Knit Pom Halloween Character Cosplay Winter Headwear Knitted Pompom Women Mens Novelty Cute Warm Caps(Yellow)**Shinymoon**$10.07**4.7★36 rev](https://www.amazon.com/dp/B0D73KRM5Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**South Park One-Piece Pajamas for Men Teens Soft Fleece Jumpsuit Funny Cartman Sleepwear Cozy Loungewear Gifts for Men (M Red)**South Park**$40.74**38 rev11mo ago](https://www.amazon.com/dp/B0F67QZHWJ) [**South Park One-Piece Pajamas for Men Teens Soft Fleece Jumpsuit Funny Cartman Sleepwear Cozy Loungewear Gifts for Men (S Red)**South Park**$36.19**38 rev11mo ago](https://www.amazon.com/dp/B0F67HPWPT) [**Halloween Cosplay Funny Beanie Hat and Gloves Character Park Knit Hat Winter Christmas Costume Accessories for Men Women Kids (Yellow)**WooHand**$12.86**48 rev11mo ago](https://www.amazon.com/dp/B0FDK9QJK6) [**INTIMO South Park Mens Snacky Cakes Wellington Bear Eric Cartman Coat Front Pajamas with Nightcap 3 Piece Set (Small) Multicolored**INTIMO**$33.93**15 rev1y ago](https://www.amazon.com/dp/B0FGLHL9YC) [**Popfunk South Park Cartman Dressup Unisex Adult T Shirt White Medium**Popfunk**$18.30**3 rev1y ago](https://www.amazon.com/dp/B0F8HJJXT3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Popfunk South Park Cartman Dressup Unisex Adult T Shirt White 2X-Large**Popfunk**$21.15**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0F8HMKS6N) [**Popfunk South Park Cartman Dressup Unisex Adult T Shirt White Medium**Popfunk**$18.30**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0F8HJJXT3) [**Concept One Eric South Park Hat | Orange | Officially Licensed Cosplay Eric Cartman Beanie | South Park Winter Hat with Ear Flaps for Fans & Costumes**Concept One**$28.34**4.8★**▲ 1000%**](https://www.amazon.com/dp/B0764HCVTY) [**Popfunk South Park Cartman Dressup Unisex Adult T Shirt White X-Large**Popfunk**$18.50**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0F8HGMBHZ) [**Costume Agent Blue & Detective Striped Long Sleeve T-Shirt Halloween Cosplay**Costume Agent**$20.43**4.7★**▲ 1000%**](https://www.amazon.com/dp/B08L2GQKV6)
**~~View all trending →~~**
## **What buyers say about cartman costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**43%
*“is really well made”*
**Gifting Purpose**16%
*“It would make a great gift for a South Park fan”*
**Value For Money**9%
*“This is a fair price for a licensed product”*
**Advertised Vs Actual Product**7%
*“Was what I expected”*
**Stitch/Finish/Polish**7%
*“Well made the stitching is well done”*
**Zipper Quality**5%
*“zipper works well enough for my daughter to use”*
**Color**5%
*“the colors are beautiful”*
**Size-Overall**2%
*“This fits perfectly”*
**Soft Feel**2%
*“Super Soft and comfortable”*
**Washability**2%
*“being able to handle multiple washes in the machine while still looking brand new”*
### **Top return reasons **
**Size-Overall**60%
**Material Quality**8%
**Scratch Resistance**3%
**Wrinkles**3%
**Gap/Hole**3%
**Warmth**3%
**Functionality-Overall**3%
**Thin**3%
**Length**3%
**Defective Material/Parts**3%
## **Common questions**
- **Is cartman costume profitable to sell on Amazon United States?**
- The niche generates $10K/yr across 25 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -33.3%. Flapen's verdict: Skip it (35/100).
- **How competitive is the cartman costume niche?**
- 12 brands and 19 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 69% of demand.
- **When does demand for cartman costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 93.7× the quietest.
- **What does it cost to enter the cartman costume niche?**
- Listings span $9.94–$71.69; the average listing price is $27.70 (sweet spot $15–$100). The average incumbent carries 361 reviews — the moat a new listing must climb.
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