---
title: "baby monster costume — Niche Verdict: Skip it (31/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/baby-monster-costume"
last_updated: "2026-07-13T20:51:57.024Z"
locale: en
meta:
  description: "a small market ($0/yr) — baby monster costume doesn't clear our bar today."
  "og:description": "a small market ($0/yr) — baby monster costume doesn't clear our bar today."
  "og:title": "baby monster costume — Niche Verdict: Skip it (31/100) | Amazon United States - Flapen"
---

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# **baby monster costume**

**Skip it**

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 44Conversion 0Competition 28Returns 0Price range 93Avg price 95Brand share 43Review moat 79Quality gap 20

**Avg price**

**Incredible****$23.97**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.13–$53.01**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Great****420.58**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+15.4%**

90-day search growth — must beat 0% to launch

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****68%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$0**

$0/yr · 71K searches

**Conversion**

**Bad****0.0%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Bad****12.0%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▼falling

**Sellers**

**34**

**Top-5 brand share**

**79%**

**Open market**

**16%**

- Thorn Tree28% - Disney18% - QSTYLE15% - MUST ROSE SPORTS AND HOMEWEAR9% - SCOPUCI9% - FEIBEL5% - Open — no brand owns it (5 brands, 16%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$020%$030%$040%$0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Thorn Tree Toddler Baby Boys Halloween Clothes Set Animal Costumes Outfits 2Pcs Velvet Pants Set (Blue 3-4 Years)](https://m.media-amazon.com/images/I/41WyBrAI+xL.jpg)**Thorn Tree Toddler Baby Boys Halloween Clothes Set Animal Costumes Outfits 2Pcs Velvet Pants Set (Blue 3-4 Years)**Thorn Tree**$25.02**4.6★49 rev](https://www.amazon.com/dp/B0DGLH8DGL) [2![Unisex Baby Flannel Romper Animal Onesie For Toddler Costume Hooded Cartoon Outfit](https://m.media-amazon.com/images/I/31ggbgIxWvL.jpg)**Unisex Baby Flannel Romper Animal Onesie For Toddler Costume Hooded Cartoon Outfit**QSTYLE**$26.12**4.5★174 rev](https://www.amazon.com/dp/B0FCFQP9WN) [3![MUST ROSE SPORTS AND HOMEWEAR Unisex Baby Flannel Romper Animal Onesie Costume Hooded Cartoon Outfit Suit (horns 90(12-17M)](https://m.media-amazon.com/images/I/41yRpzURojL.jpg)**MUST ROSE SPORTS AND HOMEWEAR Unisex Baby Flannel Romper Animal Onesie Costume Hooded Cartoon Outfit Suit (horns 90(12-17M)**MUST ROSE SPORTS AND HOMEWEAR**$24.67**4.8★2,515 rev](https://www.amazon.com/dp/B0CJ4L5BX6) [4![SCOPUCI Unisex Baby Animal Onesie Pajamas Infant Flannel Halloween Cosplay Costume Toddler Christmas Homewear/Sleepwear](https://m.media-amazon.com/images/I/41n2v+FWCqL.jpg)**SCOPUCI Unisex Baby Animal Onesie Pajamas Infant Flannel Halloween Cosplay Costume Toddler Christmas Homewear/Sleepwear**SCOPUCI**$23.83**4.8★382 rev](https://www.amazon.com/dp/B0CM5P81CM) [5![Disney Monsters Inc Boys Costume Zip Up Hooded Coverall for Newborn Infant and Toddler Blue or Green](https://m.media-amazon.com/images/I/41bXdVYSydL.jpg)**Disney Monsters Inc Boys Costume Zip Up Hooded Coverall for Newborn Infant and Toddler Blue or Green**Disney**$14.13**4.6★331 rev](https://www.amazon.com/dp/B08W1V21P6)

**~~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 3T)](https://m.media-amazon.com/images/I/314BMDgqWeL.jpg)**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Sulley (Blue 3T)**Disney**$20.11**34 rev5mo ago](https://www.amazon.com/dp/B0GLM93Z24) [![Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Mike Wazowski (Green 4T)](https://m.media-amazon.com/images/I/31TYW4u95DL.jpg)**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Mike Wazowski (Green 4T)**Disney**$19.71**34 rev5mo ago](https://www.amazon.com/dp/B0GLM4SNT5) [![Unisex Baby Flannel Romper Animal Onesie For Toddler Costume Hooded Cartoon Outfit](https://m.media-amazon.com/images/I/31ggbgIxWvL.jpg)**Unisex Baby Flannel Romper Animal Onesie For Toddler Costume Hooded Cartoon Outfit**QSTYLE**$26.12**174 rev1y ago](https://www.amazon.com/dp/B0FCFQP9WN) [![GUEMONG Baby Boy Girl Animal Holloween Cosplay Costume Hooded Romper Jumpsuit Costume Outfit (Blue 4-5 Years)](https://m.media-amazon.com/images/I/41MDZkp33OL.jpg)**GUEMONG Baby Boy Girl Animal Holloween Cosplay Costume Hooded Romper Jumpsuit Costume Outfit (Blue 4-5 Years)**GUEMONG**$28.19**28 rev1y ago](https://www.amazon.com/dp/B0DYKBPH5Q) [![Thorn Tree Toddler Baby Boys Halloween Clothes Set Animal Costumes Outfits 2Pcs Velvet Pants Set (Blue 3-4 Years)](https://m.media-amazon.com/images/I/41WyBrAI+xL.jpg)**Thorn Tree Toddler Baby Boys Halloween Clothes Set Animal Costumes Outfits 2Pcs Velvet Pants Set (Blue 3-4 Years)**Thorn Tree**$25.02**49 rev1y ago](https://www.amazon.com/dp/B0DGLH8DGL)

**~~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 Mike Wazowski (Green 4T)](https://m.media-amazon.com/images/I/31TYW4u95DL.jpg)**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Mike Wazowski (Green 4T)**Disney**$19.71**4.9★**▲ 1000%**](https://www.amazon.com/dp/B0GLM4SNT5) [![Disney Monsters Inc. Mike Sully Toddler Boys Hooded T-Shirt and French Terry Shorts Outfit Set Sulley Mike 4T](https://m.media-amazon.com/images/I/41nc7oxasUL.jpg)**Disney Monsters Inc. Mike Sully Toddler Boys Hooded T-Shirt and French Terry Shorts Outfit Set Sulley Mike 4T**Disney**$24.19**4.7★**▲ 1000%**](https://www.amazon.com/dp/B0CQZ7Y3CT) [![Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Sulley (Blue 3T)](https://m.media-amazon.com/images/I/314BMDgqWeL.jpg)**Disney Pixar Monsters Inc Dress Up to Play Zip-Up Hooded Coverall for Kids with 3D Horns Sulley (Blue 3T)**Disney**$20.11**4.9★**▲ 1000%**](https://www.amazon.com/dp/B0GLM93Z24) [![Disney Monsters Inc. Mike Sully Toddler Boys Hooded T-Shirt and French Terry Shorts Outfit Set Sulley Mike 5T](https://m.media-amazon.com/images/I/41nc7oxasUL.jpg)**Disney Monsters Inc. Mike Sully Toddler Boys Hooded T-Shirt and French Terry Shorts Outfit Set Sulley Mike 5T**Disney**$24.29**4.7★**▲ 1000%**](https://www.amazon.com/dp/B0CQZ6MKD9) [![GUEMONG Baby Boy Girl Animal Holloween Cosplay Costume Hooded Romper Jumpsuit Costume Outfit (Blue 4-5 Years)](https://m.media-amazon.com/images/I/41MDZkp33OL.jpg)**GUEMONG Baby Boy Girl Animal Holloween Cosplay Costume Hooded Romper Jumpsuit Costume Outfit (Blue 4-5 Years)**GUEMONG**$28.19**4.8★**▲ 1000%**](https://www.amazon.com/dp/B0DYKBPH5Q)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +15.4% search growth over the last 90 days.

45K35KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 190.4×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**17%

*“fits perfectly”*

**Warmth**16%

*“kept my daughter warm on Halloween”*

**Material Quality**11%

*“stuffed animal-like material”*

**Quality-Overall**8%

*“its so well made”*

**Comfort-Overall**7%

*“comfortable”*

**Value For Money**7%

*“decent value”*

**Soft Feel**6%

*“Soft”*

**Fun/Entertainment Experience**6%

*“Granddaughter really loves playing dress up”*

**Washability**5%

*“It came out of the wash looking good”*

**Thickness**2%

*“thick good material for the cold weather size was spot on”*

### **What buyers complain about **

**Size-Overall**25%

*“small”*

**Warmth**20%

*“But be aware its super hot”*

**Quality-Overall**7%

*“which isn't as good as 100%”*

**Thin**5%

*“The fabric reminds me of a thin sweatshirt”*

### **Top return reasons **

**Size-Overall**70%

**Length**4%

**Sleeve Fit**4%

**Product Condition**4%

**Advertised Vs Actual Product**4%

**Thin**2%

**Gap/Hole**2%

**Chest Fit**2%

**Value For Money**2%

**Quality-Overall**2%