---
title: "boo costume — Niche Verdict: Skip it (39/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/boo-costume"
last_updated: "2026-07-13T21:10:31.940Z"
locale: en
meta:
  description: "a small market ($9K/yr) — boo costume doesn't clear our bar today."
  "og:description": "a small market ($9K/yr) — boo costume doesn't clear our bar today."
  "og:title": "boo costume — Niche Verdict: Skip it (39/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **boo costume**

**Skip it**

A small market ($9K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 31Conversion 2Competition 61Returns 12Price range 83Avg price 95Brand share 63Review moat 60Quality gap 53

**Avg price**

**Incredible****$23.03**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$4.49–$75.03**

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

**Brand share**

**Good****67%**

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

**Competition**

**Good****48%**

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

**Review moat**

**Good****1,114.69**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+4.8%**

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

**Returns**

**Bad****9.2%**

return rate — above 6% kills the launch gate

**Market size**

**Bad****$9K**

$9K/yr · 234K searches

**Conversion**

**Bad****0.2%**

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

## **Competition**

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**17 **▼falling

**Sellers**

**53**

**Top-5 brand share**

**67%**

**Open market**

**27%**

- elope24% - Disney23% - Fun Costumes7% - Bubblopus7% - JenPen6% - MOBJVIY6%

## **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%$86120%$2K30%$3K40%$3K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 26 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![elope Disney Monsters Inc Boo Velour Baby Carrier Cover Costume Infant Halloween Costume Character Standard](https://m.media-amazon.com/images/I/410jp8vdB+L.jpg)**elope Disney Monsters Inc Boo Velour Baby Carrier Cover Costume Infant Halloween Costume Character Standard**elope**$40.24**4.5★75 rev](https://www.amazon.com/dp/B0BSLWPX4Q) [2![Infant Disney and Pixar Monster Boo Halloween Costume | Purple Monster Outfit for Babies | Monsters Inc Infant Costume 9/12mo](https://m.media-amazon.com/images/I/31aEH3heS5L.jpg)**Infant Disney and Pixar Monster Boo Halloween Costume | Purple Monster Outfit for Babies | Monsters Inc Infant Costume 9/12mo**Fun Costumes**$75.03**4.9★36 rev](https://www.amazon.com/dp/B0DJ7Q5KLF) [3![JenPen 4 Pcs Halloween Cartoon Costume Pink T-Shirt and Purple Leggings White Socks Purple Hair Ties Set for Costume(3t-4t)](https://m.media-amazon.com/images/I/41lJ5H0VCXL.jpg)**JenPen 4 Pcs Halloween Cartoon Costume Pink T-Shirt and Purple Leggings White Socks Purple Hair Ties Set for Costume(3t-4t)**JenPen**$28.65**4.6★33 rev](https://www.amazon.com/dp/B0FCFXV4ZX) [4![MOBJVIY Toddler Baby Cute Animal Outfit Hooded Rompers Funny Toddler Halloween Costume Gifts One-piece Outfit (Blue 6-12 Months)](https://m.media-amazon.com/images/I/41yeWX9kj-L.jpg)**MOBJVIY Toddler Baby Cute Animal Outfit Hooded Rompers Funny Toddler Halloween Costume Gifts One-piece Outfit (Blue 6-12 Months)**MOBJVIY**$26.15**4.6★101 rev](https://www.amazon.com/dp/B0DFW56LM5) [5![Disney Monsters Inc. Boo Infant Baby Girls Cosplay Bodysuit and Hat Set 12 Months](https://m.media-amazon.com/images/I/416URIyGLiL.jpg)**Disney Monsters Inc. Boo Infant Baby Girls Cosplay Bodysuit and Hat Set 12 Months**Disney**$19.70**4.8★8,653 rev](https://www.amazon.com/dp/B0CXW2D9NM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 6-12 Months)](https://m.media-amazon.com/images/I/41yeWX9kj-L.jpg)**Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 6-12 Months)**Bubblopus**$24.98**0 rev2mo ago](https://www.amazon.com/dp/B0GXVKKSRJ) [![Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 18-24 Months)](https://m.media-amazon.com/images/I/41yeWX9kj-L.jpg)**Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 18-24 Months)**Bubblopus**$24.98**0 rev2mo ago](https://www.amazon.com/dp/B0GXVJ5M16) [![Disney Monsters Inc. Mike Wazowski James P. Sullivan Baby Boys 3 Pack Bodysuit Creeper for Newborn and Infant](https://m.media-amazon.com/images/I/41FM99+Rn5L.jpg)**Disney Monsters Inc. Mike Wazowski James P. Sullivan Baby Boys 3 Pack Bodysuit Creeper for Newborn and Infant**Disney**$21.76**5 rev7mo ago](https://www.amazon.com/dp/B0G61BY6NN) [![Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant](https://m.media-amazon.com/images/I/41TLFjHyH1L.jpg)**Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant**Disney**$17.97**16 rev9mo ago](https://www.amazon.com/dp/B0FSNCWKGW) [![Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant](https://m.media-amazon.com/images/I/41TLFjHyH1L.jpg)**Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant**Disney**$18.29**16 rev9mo ago](https://www.amazon.com/dp/B0FSMMF5ZC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 18-24 Months)](https://m.media-amazon.com/images/I/41yeWX9kj-L.jpg)**Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 18-24 Months)**Bubblopus**$24.98**0.0★**▲ 706%**](https://www.amazon.com/dp/B0GXVJ5M16) [![Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 6-12 Months)](https://m.media-amazon.com/images/I/41yeWX9kj-L.jpg)**Bubblopus Baby Halloween Costumes Funny Monster Costume Cute Animal Outfit Halloween Gifts for Infant Toddler Kids (Blue 6-12 Months)**Bubblopus**$24.98**0.0★**▲ 700%**](https://www.amazon.com/dp/B0GXVKKSRJ) [![Muineobuka My First Halloween Baby Outfit Newborn Long Sleeve Ribbed Romper with Hat Little Boo Halloween Baby Outfits (Apricot 3-6 Months)](https://m.media-amazon.com/images/I/31Me3dHr44L.jpg)**Muineobuka My First Halloween Baby Outfit Newborn Long Sleeve Ribbed Romper with Hat Little Boo Halloween Baby Outfits (Apricot 3-6 Months)**Muineobuka**$4.49**2.0★**▲ 682%**](https://www.amazon.com/dp/B0FJXD246W) [![Disney Monsters Inc. Mike Wazowski James P. Sullivan Baby Boys 3 Pack Bodysuit Creeper for Newborn and Infant](https://m.media-amazon.com/images/I/41FM99+Rn5L.jpg)**Disney Monsters Inc. Mike Wazowski James P. Sullivan Baby Boys 3 Pack Bodysuit Creeper for Newborn and Infant**Disney**$21.76**5.0★**▲ 672%**](https://www.amazon.com/dp/B0G61BY6NN) [![Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant](https://m.media-amazon.com/images/I/41TLFjHyH1L.jpg)**Disney Monsters Inc. Baby Girls Coverall with Cap 2 Piece Set for Newborn and Infant**Disney**$18.29**3.9★**▲ 671%**](https://www.amazon.com/dp/B0FSMMF5ZC)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +4.8% search growth over the last 90 days.

50K30KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 163.3×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**14%

*“Great quality”*

**Size-Overall**12%

*“the onesie fits well”*

**Gifting Purpose**11%

*“Great quality and an excellent gift”*

**Material Quality**8%

*“Super cute and great material”*

**Weight Light**8%

*“Not too bulky”*

**Color**7%

*“very pretty”*

**Zipper Quality**7%

*“Long zipper looks cute”*

**Ease Of Use**7%

*“Easy Costume”*

**Value For Money**5%

*“such a great value”*

**Durability**5%

*“it still held up perfectly”*

### **What buyers complain about **

**Size-Overall**50%

*“Great product and quality i have to return product base it was a little bigger for my baby”*

### **Top return reasons **

**Size-Overall**81%

**Product Condition**3%

**Quality-Overall**2%

**Material Quality**2%

**Ease Of Cleaning**2%

**Chest Fit**2%

**Color**2%

**Advertised Vs Actual Product**2%

**Length**2%

**Gap/Hole**2%