---
title: "Whoville Costumes — $0/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/whoville-costumes"
last_updated: "2026-08-09T06:37:53.678Z"
locale: en
meta:
description: "Niche score 28/100 · $0/yr market · 256K searches/yr · $21.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · $0/yr market · 256K searches/yr · $21.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Whoville Costumes — $0/yr Amazon US Niche (2026) - Flapen"
---
# **whoville costumes**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 0Conversion 0Competition 27Returns 5Price range 69Avg price 90Brand share 48Review moat 73Quality gap 67
**Avg price**
**Great****$21.08**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****585.6**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$7.26–$32.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Bad****10.5%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$0**
$0/yr · 256K searches
**Growth**
**Bad****-62.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**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, whoville costumes is a $0/yr Amazon United States market (256K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 28/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **whoville costumes market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$42K–$53K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#3,141**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **53%**
- **Out of stock**
- **9.6%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **194 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**36**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**24%**
- Rubies30% - Leg Avenue24% - ALIREVERIE7% - RONGTAI5% - elope5% - PUKAVT5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -62.2% search growth over the last 90 days.
40K30KBlack Friday '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 151.5×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/whoville-costumes/trend)
## **Top whoville costumes search terms**
- **whoville costumes**99K/yr-50.0%0.2% conv. - **whoville costumes for adults**68K/yr-44.8%0.0% conv. - **grinch character costumes**9K/yr-87.5%0.0% conv. - **who costumes from whoville**6K/yr-50.4%0.0% conv. - **whoville costume**17K/yr-47.3%0.0% conv. - **betty lou who costume**8K/yr-8.5%0.0% conv. - **whoville outfit**6K/yr-61.5%0.0% conv. - **whoville costumes for women**8K/yr-79.0%0.0% conv. - **grinch movie costumes**6K/yr-24.5%2.7% conv. - **whoville characters costumes**4K/yr-82.1%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/whoville-costumes/search-terms)
## **Top whoville costumes 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%10%$020%$030%$040%$01101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Rubies Red & Green Striped Christmas Tights for Adults Womens Standard**Rubies**$7.70**4.0★2,095 rev](https://www.amazon.com/dp/B008D6P1X4) [2**Leg Avenue womens Christmas Holiday Spandex Tights Candy Cane One Size**Leg Avenue**$17.35**4.0★1,152 rev](https://www.amazon.com/dp/B0148KLD12) [3**RONGTAI Unisex Adult Costume One Piece Pajamas Overall Halloween Costume Christmas Sleepwear JumpsuitGingerbread ManS**RONGTAI**$30.53**4.5★91 rev](https://www.amazon.com/dp/B0B6HV47XQ) [4**Dr. Seuss Grinch Max the Dog Red Embroidered Scarf Halloween Costume Accessory for Book Week Officially Licensed Standard**elope**$19.43**0.0★0 rev](https://www.amazon.com/dp/B0FSSYGJMZ) [5**PUKAVT Womens Cocktail Party Dress Cap Sleeve 1950 Retro Swing Dress with Pockets Colorful Dot 2XL**PUKAVT**$30.36**4.4★3,640 rev](https://www.amazon.com/dp/B08N5XH23N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Women Christmas Cindy Lo Who Costume Adult Pink Dress Long Sleeve Xmas Dr Saus Outfits with Headband XL**ALIREVERIE**$31.53**4 rev8mo ago](https://www.amazon.com/dp/B0FXM4PP9C) [**Christmas Womens Santa Dress Long Sleeve Fuzzy Trim Grinch Character Costumes Set with Accessories Red Green XXL**ALIREVERIE**$32.50**14 rev8mo ago](https://www.amazon.com/dp/B0FW519VD9) [**Dr. Seuss Grinch Max the Dog Red Embroidered Scarf Halloween Costume Accessory for Book Week Officially Licensed Standard**elope**$19.43**0 rev9mo ago](https://www.amazon.com/dp/B0FSSYGJMZ) [**SOMSOC 6 Pack Women Santa Claus Costume Red Velvet Halter Neck Dress with Belt Gloves Stockings for Christmas Parties**SOMSOC**$29.04**18 rev1y ago](https://www.amazon.com/dp/B0FFSJ55WT) [**ZNTU 2 Pack Cindy Headband Hair Bow for Women and Girls Red Bow Headpiece Cindy Wig for Christmas Party**ZNTU**$16.69**23 rev1y ago](https://www.amazon.com/dp/B0DK3FJW7V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**RONGTAI Unisex Adult Costume One Piece Pajamas Overall Halloween Costume Christmas Sleepwear JumpsuitGingerbread ManS**RONGTAI**$30.53**4.5★**▲ 1000%**](https://www.amazon.com/dp/B0B6HV47XQ) [**Women Christmas Cindy Lo Who Costume Adult Pink Dress Long Sleeve Xmas Dr Saus Outfits with Headband XL**ALIREVERIE**$31.53**5.0★**▲ 1000%**](https://www.amazon.com/dp/B0FXM4PP9C) [**Christmas Womens Santa Dress Long Sleeve Fuzzy Trim Grinch Character Costumes Set with Accessories Red Green XXL**ALIREVERIE**$32.50**4.8★**▲ 990%**](https://www.amazon.com/dp/B0FW519VD9) [**SOMSOC 6 Pack Women Santa Claus Costume Red Velvet Halter Neck Dress with Belt Gloves Stockings for Christmas Parties**SOMSOC**$29.04**4.2★**▲ 593%**](https://www.amazon.com/dp/B0FFSJ55WT) [**Dr. Seuss Grinch Max the Dog Red Embroidered Scarf Halloween Costume Accessory for Book Week Officially Licensed Standard**elope**$19.43**0.0★**▲ 465%**](https://www.amazon.com/dp/B0FSSYGJMZ)
**~~View all trending →~~**
## **What buyers say about whoville costumes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Great quality for $30”*
**Color**14%
*“Color is great”*
**Wig/Artificial Hair Quality**13%
*“Very nice wig”*
**Ease Of Use**10%
*“Easy to put on”*
**Length**8%
*“Hits at the perfect length and is so fun and flirty”*
**Size-Overall**6%
*“I loved the look and fit”*
**Comfort-Overall**4%
*“comfortable enough for a fun costume accessory”*
**Durability**2%
*“there was no missing parts the durability was good overall it was a nice product”*
**Adhesion/Stickiness**2%
*“stays in place”*
**Value For Money**2%
*“the skirt was se through good price for what you get”*
### **What buyers complain about **
**Size-Overall**21%
*“Wig was small”*
**Ease Of Use**15%
*“Hard to keep in”*
**Adhesion/Stickiness**15%
*“Won't stick”*
**Weight Heavy**8%
*“Too top heavy to realistically wear outside the house”*
**Length**4%
*“These are too short for a five foot tall person”*
**Durability**4%
*“broke right away”*
**Advertised Vs Actual Product**4%
*“Doesn't really look like the photo”*
**Strength**4%
*“A little flimsy”*
**Quality-Overall**4%
*“Accessories are poor quality”*
**Shoulder Fit**4%
*“The shoulders fit a little loosely on me”*
### **Top return reasons **
**Size-Overall**43%
**Waist Fit**7%
**Chest Fit**6%
**Shoulder Fit**5%
**Length**5%
**Quality-Overall**4%
**Advertised Vs Actual Product**3%
**Functionality-Overall**3%
**Adhesion/Stickiness**2%
**Color**2%
## **Common questions**
- **Is whoville costumes profitable to sell on Amazon United States?**
- The niche generates $0/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -62.2%. Flapen's verdict: Skip it (28/100).
- **How competitive is the whoville costumes niche?**
- 14 brands and 36 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in whoville costumes?**
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Adhesion/Stickiness. The return rate is 10.5% — above our launch gate.
- **When does demand for whoville costumes peak?**
- Demand peaks in Nov–Dec; the busiest month runs 151.5× the quietest.
- **What does it cost to enter the whoville costumes niche?**
- Listings span $7.26–$32.50; the average listing price is $21.08 (sweet spot $15–$100). The average incumbent carries 586 reviews — the moat a new listing must climb.
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