---
title: "Sully Monsters Inc Costume Kids — $0/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/sully-monsters-inc-costume-kids"
last_updated: "2026-08-11T05:27:12.768Z"
locale: en
meta:
description: "Niche score 39/100 · $0/yr market · 52K searches/yr · $25.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $0/yr market · 52K searches/yr · $25.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sully Monsters Inc Costume Kids — $0/yr Amazon US Niche (2026) - Flapen"
---
# **sully monsters inc costume kids**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 54Conversion 0Competition 61Returns 0Price range 92Avg price 95Brand share 71Review moat 69Quality gap 23
**Avg price**
**Incredible****$25.51**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.93–$96.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****734**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+25.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$0**
$0/yr · 52K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****12.3%**
return rate — above 5% kills the launch gate
**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, sully monsters inc costume kids is a $0/yr Amazon United States market (52K searches/yr). The top 5 brands hold 62% of demand. Verdict: Skip it — 39/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sully monsters inc costume kids market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$6K–$13K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#7,061**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **73%**
- **Out of stock**
- **15.7%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **192 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**54**
**Top-5 brand share**
**62%**
Top 20: 99%
**Top-5 click share**
**49%**
Top 20: 90%
**Open market**
**32%**
- LABULA23% - Wishliker14% - Nabobs10% - Disney8% - SCOPUCI8% - NAITOKE6%
## **Demand**
Weekly Amazon search volume, last 31 weeks — +25.8% search growth over the last 90 days.
175125Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/sully-monsters-inc-costume-kids/trend)
## **Top sully monsters inc costume kids search terms**
- **sully costume kids**14K/yr+58.0%0.4% conv. - **sully onesie kids**4K/yr-27.8%1.6% conv. - **sully kids costume**4K/yr+51.8%0.6% conv. - **sulley costume kids**3K/yr+128.6%0.0% conv. - **kids sully costume**7K/yr+37.8%0.7% conv. - **kids sully monsters inc costume**3K/yr+157.7%0.0% conv. - **sully monsters inc costume kids**16K/yr-50.8%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/sully-monsters-inc-costume-kids/search-terms)
## **Top sully monsters inc costume kids 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%4%$08%$012%$016%$0101001K10K 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**LABULA Unisex Children Character Onesie Pajamas Kids Halloween Cosplay Costume/Homewear/Sleepwear**LABULA**$20.70**4.5★191 rev](https://www.amazon.com/dp/B0D8TDJ5PX) [2**Wishliker Kids Animal Onesie Pajamas Halloween Cosplay Sully Costume One Piece Christmas Girls Boys Party Wear**Wishliker**$24.96**4.6★244 rev](https://www.amazon.com/dp/B0D8W624K9) [3**LABULA Unisex Children Character Onesie Pajamas Kids Halloween Cosplay Costume/Homewear/Sleepwear**LABULA**$20.27**4.5★191 rev](https://www.amazon.com/dp/B0D8TDZX5T) [4**Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue**Nabobs**$11.93**4.7★76 rev](https://www.amazon.com/dp/B0FT7GRRXP) [5**SCOPUCI Unisex Children Animal Onesie Pajamas Kids Flannel Halloween Cosplay Costume/Homewear/Sleepwear Sky Blue**SCOPUCI**$25.38**4.4★1,212 rev](https://www.amazon.com/dp/B0CM68NP1X)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Sulley (Blue 4T)**Disney**$20.13**34 rev5mo ago](https://www.amazon.com/dp/B0GLMFLJYZ) [**Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue**Nabobs**$11.93**76 rev9mo ago](https://www.amazon.com/dp/B0FT7GRRXP) [**Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue**Nabobs**$12.95**76 rev9mo ago](https://www.amazon.com/dp/B0FT7GNZH6) [**Unisex Baby Flannel Romper Animal Onesie For Toddler Costume Hooded Cartoon Outfit**QSTYLE**$26.12**174 rev1y ago](https://www.amazon.com/dp/B0FCFQP9WN) [**BGOKTA Unisex Children Animal Onesie Halloween Costume Christmas Pajamas For Girls and Boys 4-13Y**BGOKTA**$25.06**72 rev1y ago](https://www.amazon.com/dp/B0F9TMT4TF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Sulley (Blue 4T)**Disney**$20.13**4.9★**▲ 644%**](https://www.amazon.com/dp/B0GLMFLJYZ) [**Unisex Onesie Kids Animal Pajamas Halloween Christmas Cosplay Costume6-8Years)**Unicorns Angels**$22.89**4.6★**▲ 644%**](https://www.amazon.com/dp/B0C6M2YQ4P) [**Disney Monsters Inc. Mike Sully Toddler Boys Hooded T-Shirt and French Terry Shorts Outfit Set Sulley Mike 5T**Disney**$24.29**4.7★**▲ 636%**](https://www.amazon.com/dp/B0CQZ6MKD9) [**Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue**Nabobs**$11.93**4.7★**▲ 632%**](https://www.amazon.com/dp/B0FT7GRRXP) [**yfgkgkjg Unisex Kids Onesie Animal Pajamas One Piece Cosplay Costume Sleepwear Girls Boys Halloween Christmas (8-10Years)**yfgkgkjg**$23.38**4.6★**▲ 621%**](https://www.amazon.com/dp/B0CHDPJGQF)
**~~View all trending →~~**
## **What buyers say about sully monsters inc costume kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**18%
*“Fit was true to size”*
**Warmth**11%
*“kept my daughter warm on Halloween”*
**Soft Feel**10%
*“Soft, breathable fabric; comfortable for sleep or play”*
**Color**10%
*“very pretty”*
**Quality-Overall**9%
*“So cute and great quality”*
**Comfort-Overall**8%
*“very comfortable”*
**Fun/Entertainment Experience**5%
*“Super fun play costume”*
**Design-Overall**4%
*“The design is absolutely adorable”*
**Material Quality**4%
*“fuzzy fleece material”*
**Value For Money**3%
*“So adorable, definitely worth the price”*
### **What buyers complain about **
**Size-Overall**37%
*“Head hole was too small for my child so had to rip it a bit”*
**Quality-Overall**7%
*“Careless selling and no quality checks prior to shipping”*
**Gap/Hole**7%
*“There is a hole in pajama”*
**Thickness**4%
*“Fabric is thin”*
### **Top return reasons **
**Size-Overall**66%
**Length**7%
**Thigh Fit**6%
**Zipper Quality**4%
**Product Condition**4%
**Smell**3%
**Gap/Hole**2%
**Material Quality**2%
**Stitch/Finish/Polish**1%
**Advertised Vs Actual Product**1%
## **Common questions**
- **Is sully monsters inc costume kids profitable to sell on Amazon United States?**
- The niche generates $0/yr across 30 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +25.8%. Flapen's verdict: Skip it (39/100).
- **How competitive is the sully monsters inc costume kids niche?**
- 21 brands and 54 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in sully monsters inc costume kids?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Gap/Hole. The return rate is 12.3% — above our launch gate.
- **What does it cost to enter the sully monsters inc costume kids niche?**
- Listings span $11.93–$96.22; the average listing price is $25.51 (sweet spot $15–$100). The average incumbent carries 734 reviews — the moat a new listing must climb.
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