---
title: "monster high costume — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/monster-high-costume"
last_updated: "2026-07-14T05:23:25.620Z"
locale: en
meta:
  description: "weak search conversion (0.1%) — monster high costume doesn't clear our bar today."
  "og:description": "weak search conversion (0.1%) — monster high costume doesn't clear our bar today."
  "og:title": "monster high costume — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

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# **monster high costume**

**Skip it**

Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Market size 3Growth 57Conversion 1Competition 85Returns 21Price range 77Avg price 95Brand share 85Review moat 43Quality gap 50

**Avg price**

**Incredible****$35.77**

avg listing price — sweet spot $15–$100

**Competition**

**Great****30%**

top-5 click share — an open shelf

**Brand share**

**Great****50%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$10.77–$121.10**

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

**Growth**

**Good****+30.7%**

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

**Quality gap**

**Good****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,171.14**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Bad****7.0%**

return rate — above 6% kills the launch gate

**Market size**

**Bad****$10K**

$10K/yr · 577K searches

**Conversion**

**Bad****0.1%**

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

## **Competition**

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

**Brands**

**27 **▲rising

**Sellers**

**44**

**Top-5 brand share**

**50%**

**Open market**

**44%**

- Monster High21% - Kidukso8% - HSCTEK8% - MEOWCOS.COM7% - Spirit Halloween6% - AOLBSPD6%

## **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%2%$2064%$4136%$6198%$8251101001K10K100K 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 59 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Kidukso Cool Anime Runa Cosplay Costume Women Orange Hoodie with Long Bunny Ears Halloween Role Playing Hooded Zipper Jacket Coat Orange XL](https://m.media-amazon.com/images/I/5194e3FUecL.jpg)**Kidukso Cool Anime Runa Cosplay Costume Women Orange Hoodie with Long Bunny Ears Halloween Role Playing Hooded Zipper Jacket Coat Orange XL**Kidukso**$20.11**4.2★41 rev](https://www.amazon.com/dp/B0DG5LJPKV) [2![Monster High Little Girls Dress Plaid Purple 7-8](https://m.media-amazon.com/images/I/51kzcgJFKNL.jpg)**Monster High Little Girls Dress Plaid Purple 7-8**Monster High**$24.93**4.8★91 rev](https://www.amazon.com/dp/B0DW18Q9M8) [3![ABAFIP Women Cute Kawaii Anime Lingerie set Halter Strap Micro Bra Tiny Panty Garter Belt Striped Stockings 4Pcs Underwear Pink One Size](https://m.media-amazon.com/images/I/313DkkZ-9zL.jpg)**ABAFIP Women Cute Kawaii Anime Lingerie set Halter Strap Micro Bra Tiny Panty Garter Belt Striped Stockings 4Pcs Underwear Pink One Size**ABAFIP**$17.22**3.8★877 rev](https://www.amazon.com/dp/B09PHP1VT3) [4![AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Green](https://m.media-amazon.com/images/I/51GwukPiIlL.jpg)**AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Green**AOLBSPD**$40.05**4.2★44 rev](https://www.amazon.com/dp/B0GTKTPPDP) [5![Newcotte 5 Pcs Halloween Girl Costume Set for Women Include Black and White Wig Adjustable Necktie Belt High Knee High Socks Fingerless Gloves for Adult Halloween Cosplay Party](https://m.media-amazon.com/images/I/512pyGEdgxL.jpg)**Newcotte 5 Pcs Halloween Girl Costume Set for Women Include Black and White Wig Adjustable Necktie Belt High Knee High Socks Fingerless Gloves for Adult Halloween Cosplay Party**Newcotte**$31.49**4.2★9 rev](https://www.amazon.com/dp/B0FJ8WLL41)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Monster High Draculaura Girls Purple 1 Piece Swimming Costume | Sleeveless Crew Neck Swimwear with All-Over Character Print & Heart Graphics Merch - 7-8 Years](https://m.media-amazon.com/images/I/41IsvGxhKDL.jpg)**Monster High Draculaura Girls Purple 1 Piece Swimming Costume | Sleeveless Crew Neck Swimwear with All-Over Character Print & Heart Graphics Merch - 7-8 Years**Monster High**$19.34**0 rev2mo ago](https://www.amazon.com/dp/B0GY1BSRTJ) [![JVZJVZ Big mouth monster jumpsuit funny jumpsuit monster jumpsuit warm home clothes party costumes (US Alpha Large Regular Regular Purple)](https://m.media-amazon.com/images/I/51hkd9fGSyL.jpg)**JVZJVZ Big mouth monster jumpsuit funny jumpsuit monster jumpsuit warm home clothes party costumes (US Alpha Large Regular Regular Purple)**JVZJVZ**$38.69**15 rev3mo ago](https://www.amazon.com/dp/B0GVFSDZNJ) [![AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Green](https://m.media-amazon.com/images/I/51GwukPiIlL.jpg)**AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Green**AOLBSPD**$40.05**44 rev3mo ago](https://www.amazon.com/dp/B0GTKTPPDP) [![AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-XL Purple](https://m.media-amazon.com/images/I/51+IL0B+qNL.jpg)**AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-XL Purple**AOLBSPD**$35.31**44 rev3mo ago](https://www.amazon.com/dp/B0GTL8R9N4) [![AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Blue](https://m.media-amazon.com/images/I/51WKKz+Dk5L.jpg)**AOLBSPD Big Mouth Monster Onesie Silly Monster Onesie Plush Cosplay Onesie Pajamas Cozy Home Soft Plush Costume(No Shoes Included)-L Blue**AOLBSPD**$35.37**44 rev3mo ago](https://www.amazon.com/dp/B0GTKTM2G7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![HvnTjvn Monster Adult Onesie Pajama Inc Costume Halloween christma Women S](https://m.media-amazon.com/images/I/41MPjIZUaAL.jpg)**HvnTjvn Monster Adult Onesie Pajama Inc Costume Halloween christma Women S**HvnTjvn**$21.36**4.5★**▲ 313%**](https://www.amazon.com/dp/B0B4RDR576) [![Snow Monster Onesies Pajamas Adults Christmas Yeti Costume Women Men XL](https://m.media-amazon.com/images/I/31OTB+tG0tL.jpg)**Snow Monster Onesies Pajamas Adults Christmas Yeti Costume Women Men XL**HSCTEK**$39.11**4.4★**▲ 310%**](https://www.amazon.com/dp/B0FNWHDK4Z) [![Monster Onesie Costume Kids Animal Pajamas Cosplay Blanket Clothes Teen 16](https://m.media-amazon.com/images/I/41R+aMw1-vL.jpg)**Monster Onesie Costume Kids Animal Pajamas Cosplay Blanket Clothes Teen 16**HSCTEK**$25.56**4.6★**▲ 306%**](https://www.amazon.com/dp/B0FNWS2MK4) [![Monster High Little Girls Tutu Pleated Tulle Dress Logo Fuchsia/Black 7-8](https://m.media-amazon.com/images/I/51jawAlWJCL.jpg)**Monster High Little Girls Tutu Pleated Tulle Dress Logo Fuchsia/Black 7-8**Monster High**$20.29**5.0★**▲ 304%**](https://www.amazon.com/dp/B0FQ9J4MP4) [![HSCTEK Monster Onesie Costume Adult Women Men Pjs Cosplay Blanket Halloween S](https://m.media-amazon.com/images/I/41cHTxnmAzL.jpg)**HSCTEK Monster Onesie Costume Adult Women Men Pjs Cosplay Blanket Halloween S**HSCTEK**$34.45**4.6★**▲ 303%**](https://www.amazon.com/dp/B0FNWHL6PK)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 36 weeks — +30.7% search growth over the last 90 days.

45K35KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

## **Reviews**

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

### **What buyers love **

**Size-Overall**15%

*“The fit was comfortable”*

**Quality-Overall**15%

*“Great quality”*

**Comfort-Overall**13%

*“They are very comfortable”*

**Advertised Vs Actual Product**9%

*“It looks exactly like the picture”*

**Color**9%

*“The colors are bright”*

**Soft Feel**5%

*“The material is soft and cozy, making it comfortable to wear for costume parties, lounging around the house, or themed events”*

**Gifting Purpose**4%

*“Great gift”*

**Value For Money**3%

*“Worth the price”*

**Allergies**3%

*“The lace is pretty and not itchy”*

**Warmth**2%

*“The plush material makes it incredibly warm home loungewear”*

### **What buyers complain about **

**Size-Overall**23%

*“if you aren't the size of a 12 year old this probably won't fit”*

**Quality-Overall**11%

*“Horrible quality”*

**Value For Money**6%

*“insane pull at that price”*

**Advertised Vs Actual Product**5%

*“However the seller provides very misleading tracking information”*

**Thigh Fit**5%

*“i could not get the belt past my thighs without busting the seams”*

**Hard Feel**5%

*“there not as soft or thick as I would like for the price”*

**Shoulder Fit**5%

*“The shoulders are too narrow”*

**Stretchability/Expandability/Elasticity**3%

*“No stretch, except for slight at the sleeve cuff”*

**Thickness**2%

*“The material is a thick”*

**Pockets/Compartments**2%

*“sadly no pockets”*

### **Top return reasons **

**Size-Overall**43%

**Sleeve Fit**7%

**Neck Fit**7%

**Length**5%

**Material Quality**5%

**Advertised Vs Actual Product**4%

**Arm Fit**4%

**Shoulder Fit**3%

**Color**3%

**Wig/Artificial Hair Quality**2%