---
title: "Randall Monsters Inc Costume — $11K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/randall-monsters-inc-costume"
last_updated: "2026-08-10T21:53:10.673Z"
locale: en
meta:
description: "Niche score 39/100 · $11K/yr market · 91K searches/yr · $49.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $11K/yr market · 91K searches/yr · $49.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Randall Monsters Inc Costume — $11K/yr Amazon US Niche (2026) - Flapen"
---
# **randall monsters inc costume**
**Skip it**
High returns (15.7%) — this niche doesn't clear our bar today.
Market size 3Growth 62Conversion 3Competition 54Returns 0Price range 79Avg price 93Brand share 42Review moat 44Quality gap 55
**Avg price**
**Great****$49.34**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$19.01–$119.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+39.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,110.7**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$11K**
$11K/yr · 91K searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****15.7%**
return rate — above 5% kills the launch gate
**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, randall monsters inc costume is a $11K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **randall monsters inc costume market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$12K–$25K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#16,446**
- **Page quality**
- **0%**
- **Prime**
- **70%**
- **Sponsored**
- **74%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**36**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 92%
**Open market**
**17%**
- COSUSKET33% - Fun Costumes28% - SAMGU9% - dressfan6% - BGOKTA4% - AOBUTE3% - Open — no brand owns it (10 brands, 17%)
## **Demand**
Weekly Amazon search volume, last 38 weeks — +39.3% search growth over the last 90 days.
15K10KSpike '26Oct '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/randall-monsters-inc-costume/trend)
## **Top randall monsters inc costume search terms**
- **randall monsters inc costume**53K/yr+103.7%0.4% conv. - **randall monsters inc costume kids**12K/yr-2.8%0.0% conv. - **monsters inc randall costume**6K/yr+35.2%0.0% conv. - **randall boggs costume**6K/yr-21.3%0.0% conv. - **randall costume monsters inc**4K/yr-37.4%0.0% conv. - **randall monsters inc costume adult**12K/yr-73.6%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/randall-monsters-inc-costume/search-terms)
## **Top randall monsters inc 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%$54110%$1K15%$2K20%$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**COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear**COSUSKET**$27.05**4.7★9,011 rev](https://www.amazon.com/dp/B097ZKLSHD) [2**COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear**COSUSKET**$27.88**4.7★9,011 rev](https://www.amazon.com/dp/B097ZKJ1CT) [3**SAMGU Adult Anglerfish Onesie Halloween Christmas Animal Cosplay Costume Pajamas for Men Women Large**SAMGU**$36.07**4.4★4,435 rev](https://www.amazon.com/dp/B094Y8X1HT) [4**Mens Plus Size Disney & Pixar Monsters Inc Randall Costume | Halloween Outfit with Jumpsuit Mask Gloves Shoe Covers 2X**Fun Costumes**$115.56**3.5★11 rev](https://www.amazon.com/dp/B0C5DZS19D) [5**Adult Disney Pixar Monsters Inc Randall Boggs Halloween Costume | Chameleon Villain Jumpsuit with Mask Gloves & Shoe Covers XL Tall**Fun Costumes**$111.79**4.7★66 rev](https://www.amazon.com/dp/B0F5BWLSG7)
**~~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 Mike Wazowski (Green 5T)**Disney**$19.76**34 rev5mo ago](https://www.amazon.com/dp/B0GLLVMT37) [**NAITOKE Adult Animal Onesie Halloween Costume Cosplay One-Piece Pajamas Women Man Teens Light Purple**NAITOKE**$28.97**1,366 rev12mo ago](https://www.amazon.com/dp/B0FJQKS4V5) [**2 PCS Halloween Costume Outfits Womens Long Sleeve Mini Dress Stretchy Purple Tights Pants S**AOBUTE**$40.81**20 rev1y ago](https://www.amazon.com/dp/B0FGCZJLPZ) [**Spirit Halloween Monsters Inc. Adult Randall Jumpsuit Costume Officially Licensed Pixar Halloween Outfit Villain Men Size LARGE/X-LARGE Standard Multicolor**Spirit Halloween**$63.42**5 rev1y ago](https://www.amazon.com/dp/B0FHJ862SC) [**Fun Costumes Womens Pixar Monsters Inc. Mike Wazowski Costume - Shirt Skirt Headband & Gloves**Fun Costumes**$90.07**3 rev1y ago](https://www.amazon.com/dp/B0F7RYB5W6)
**~~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 5T)**Disney**$19.76**4.9★**▲ 1000%**](https://www.amazon.com/dp/B0GLLVMT37) [**HvnTjvn Monster Adult Onesie Pajama Inc Costume Halloween christma Women M**HvnTjvn**$20.34**4.5★**▲ 1000%**](https://www.amazon.com/dp/B0B4RMM5MZ) [**COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear**COSUSKET**$27.88**4.7★**▲ 956%**](https://www.amazon.com/dp/B097ZKJ1CT) [**Mens Plus Size Disney & Pixar Monsters Inc Randall Costume | Halloween Outfit with Jumpsuit Mask Gloves Shoe Covers 2X**Fun Costumes**$115.56**3.5★**▲ 885%**](https://www.amazon.com/dp/B0C5DZS19D) [**COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear**COSUSKET**$27.05**4.7★**▲ 658%**](https://www.amazon.com/dp/B097ZKLSHD)
**~~View all trending →~~**
## **What buyers say about randall monsters inc costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**25%
*“Very comfortable”*
**Quality-Overall**20%
*“Warm and quality costume for Halloween”*
**Soft Feel**14%
*“This onesie is soft”*
**Material Quality**9%
*“Fabric is amazing great for cold weather”*
**Size-Overall**7%
*“they fit him very nicely”*
**Value For Money**5%
*“The price for these pajamas is definitely worth it since they're name brand, character themed, and nice quality”*
**Color**5%
*“color is as shown”*
**Warmth**4%
*“adds extra warmth”*
**Weather Proof**3%
*“Fabric is amazing great for cold weather”*
**Pockets/Compartments**3%
*“With pockets”*
### **What buyers complain about **
**Quality-Overall**29%
*“the overall construction quality was disappointing”*
**Smell**19%
*“It smell really bad underarm smell”*
**Comfort-Overall**13%
*“So awkward in the middle”*
**Value For Money**13%
*“Price high”*
**Size-Overall**13%
*“Runs small”*
**Advertised Vs Actual Product**4%
*“Doesn't look like picture at all”*
**Color**4%
*“Not even close to same color”*
### **Top return reasons **
**Size-Overall**61%
**Length**10%
**Thigh Fit**6%
**Quality-Overall**2%
**Arm Fit**2%
**Material Quality**2%
**Product Condition**2%
**Thin**2%
**Advertised Vs Actual Product**2%
**Sleeve Fit**1%
## **Common questions**
- **Is randall monsters inc costume profitable to sell on Amazon United States?**
- The niche generates $11K/yr across 27 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +39.3%. Flapen's verdict: Skip it (39/100).
- **How competitive is the randall monsters inc costume niche?**
- 16 brands and 36 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in randall monsters inc costume?**
- Top complaints mined from reviews: Quality-Overall, Smell, Comfort-Overall. The return rate is 15.7% — above our launch gate.
- **What does it cost to enter the randall monsters inc costume niche?**
- Listings span $19.01–$119.60; the average listing price is $49.34 (sweet spot $15–$100). The average incumbent carries 2,111 reviews — the moat a new listing must climb.
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