---
title: "Melanie Martinez Costume — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/melanie-martinez-costume"
last_updated: "2026-08-12T10:52:08.121Z"
locale: en
meta:
description: "Amazon product research for melanie martinez costume: $187/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for melanie martinez costume: $187/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Melanie Martinez Costume — Amazon US Product Research"
---
# **Melanie Martinez Costume**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 1Growth 13Conversion 9Competition 9Returns 37Price range 89Avg price 95Brand share 0Review moat 39Quality gap 45
**Avg price**
**Incredible****$31.40**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.25–$72.81**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,570.78**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.0%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-23.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$2K**
$2K/yr · 10K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
## **Is melanie martinez costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, melanie martinez costume is a $2K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Skip it — 24/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **melanie martinez costume market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$3K–$8K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#1,461**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **67%**
- **Out of stock**
- **53.8%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **140 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**30**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- Generic80% - Melanie Martinez11% - Todollcos4% - Miuphro3% - RIP-IT2%
## **melanie martinez costume demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.4% search growth over the last 90 days.
20K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug, Sep · busiest ÷ quietest = 36.0×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/melanie-martinez-costume/trend)
## **Top melanie martinez costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **melanie martinez mask**7K/yr-39.4%0.4% conv. - **portals mask**2K/yr+6.9%1.1% conv. - **melanie martinez portals mask**1K/yr+53.4%0.7% conv. - **melanie martinez mask portals**197/yr+9.6%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/melanie-martinez-costume/search-terms)
## **Top melanie martinez costume products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$22420%$44930%$67340%$898101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Printed Mask Costume for Adults Nymph Portals Face Mask- mask or Anime costume Mask & Ears (PINK)**Generic**$23.11**4.4★162 rev](https://www.amazon.com/dp/B0CXNDPQR8) [2**Melanie Mask with Strap Costume for Adults - Nymph Portals Face Mask - mask or Anime costume - Mask & Ears & Strap- (New Model)**Generic**$25.05**4.6★15 rev](https://www.amazon.com/dp/B0DMD5T8GG) [3**Printed Mask Costume for Adults Nymph Portals Face Mask- mask or Anime costume Mask & Ears (WHITE)**Generic**$23.16**4.4★162 rev](https://www.amazon.com/dp/B0CXNGF44B) [4**Melanie Martinez Unisex Adult Portals Album T-Shirt Black Medium US**Melanie Martinez**$19.65**4.6★395 rev](https://www.amazon.com/dp/B0C4G4RB84) [5**Todollcos Party Mask with Four Eyes Two Ears 3D Baby Face Model Adult Women PVC Headgear For Fan Gift Halloween Masquerade Props**Todollcos**$10.25**3.9★21 rev](https://www.amazon.com/dp/B0DF55TLHF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Melanie Mask with Strap Costume for Adults - Nymph Portals Face Mask - mask or Anime costume - Mask & Ears & Strap- (New Model)**Generic**$25.05**15 rev1y ago](https://www.amazon.com/dp/B0DMD5T8GG) [**Melanie Martinez Evil Bunny Crop Hoodie Charcoal Grey Medium**Melanie Martinez**$50.18**25 rev1y ago](https://www.amazon.com/dp/B0DBM9D2WX) [**Todollcos Party Mask with Four Eyes Two Ears 3D Baby Face Model Adult Women PVC Headgear For Fan Gift Halloween Masquerade Props**Todollcos**$10.25**21 rev1y ago](https://www.amazon.com/dp/B0DF55TLHF) [**Printed Mask Costume for Adults Nymph Portals Face Mask- mask or Anime costume Mask & Ears (PINK)**Generic**$23.11**162 rev2y ago](https://www.amazon.com/dp/B0CXNDPQR8) [**Printed Mask Costume for Adults Nymph Portals Face Mask- mask or Anime costume Mask & Ears (WHITE)**Generic**$23.16**162 rev2y ago](https://www.amazon.com/dp/B0CXNGF44B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Womens/Girls Defense Softball Fielders Face Mask | Youth | Black**RIP-IT**$38.02**4.7★**▲ 189%**](https://www.amazon.com/dp/B0036NOCKC) [**ASAki CE350N Hema Fencing Mask with Removable Liner&350N Stab-Proof Fabric.Impact Resistance Breathable & Adjustable for Hema Gear (M)**Generic**$72.81**4.6★**▲ 187%**](https://www.amazon.com/dp/B0BLLXR799) [**Miuphro Multiple Colour KN95 Face Mask 50 Pcs 5 Layers Safety KN95 Masks Disposable Masks Respirator for Outdoor(Pink Blue Red Purlpe Grey)**Miuphro**$20.42**4.6★**▲ 187%**](https://www.amazon.com/dp/B08NPXHRL2) [**Melanie Martinez Evil Bunny Crop Hoodie Charcoal Grey Medium**Melanie Martinez**$50.18**4.5★**▲ 186%**](https://www.amazon.com/dp/B0DBM9D2WX) [**Printed Mask Costume for Adults Nymph Portals Face Mask- mask or Anime costume Mask & Ears (WHITE)**Generic**$23.16**4.4★**▲ 118%**](https://www.amazon.com/dp/B0CXNGF44B)
**~~View all trending →~~**
## **What reviews say buyers love and hate about melanie martinez costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“The quality of the mask is really good”*
**Size-Overall**15%
*“Fits my 9 year old great”*
**Exercise/Sports Suitability**11%
*“very great for softball”*
**Value For Money**9%
*“Good deal”*
**Thickness**6%
*“They are thick; Ive tried them out and theyre fine”*
**Ease Of Use**6%
*“it was easier to get them in”*
**Weather Proof**6%
*“I think they work well for use in a cool environment”*
**Color**6%
*“They are sturdy and wrapped by color so you can give a color to each family member, five different colors 10 a piece, great job”*
**Adhesion/Stickiness**4%
*“so I used h0t glue perfect”*
**Strength**4%
*“they feel very sturdy”*
### **What buyers complain about **
**Color**25%
*“I will say the color is lighter than the image so I had to paint it”*
**Moist/Dry**8%
*“it takes forever to dry”*
**Size-Overall**8%
*“hard to adjust when you have a big nose”*
**Comfort-Overall**8%
*“they are very uncomfortable”*
**Adhesion/Stickiness**8%
*“Glue sucks”*
**Weight Light**8%
*“mask is lighter than advertised”*
**Functionality-Overall**8%
*“Glue doesnt work”*
### **Top return reasons **
**Size-Overall**80%
**Value For Money**3%
**Color**3%
**Product Condition**2%
**Strap/String Quality**2%
**Cushion**2%
**Material Quality**1%
**Advertised Vs Actual Product**1%
**Functionality-Overall**1%
**Comfort-Overall**1%
## **Common melanie martinez costume questions**
- **Is melanie martinez costume profitable to sell on Amazon United States?**
- The niche generates $2K/yr across 9 tracked products. 90-day search growth is -23.4%. Flapen's verdict: Skip it (24/100).
- **How competitive is the melanie martinez costume niche?**
- 5 brands and 30 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in melanie martinez costume?**
- Top complaints mined from reviews: Color, Moist/Dry, Size-Overall. The return rate is 4.0%.
- **When does demand for melanie martinez costume peak?**
- Demand peaks in Jul–Aug–Sep; the busiest month runs 36.0× the quietest.
- **What does it cost to enter the melanie martinez costume niche?**
- Listings span $10.25–$72.81; the average listing price is $31.40 (sweet spot $15–$100). The average incumbent carries 2,571 reviews — the moat a new listing must climb.
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