---
title: "shark costume kids — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/shark-costume-kids"
last_updated: "2026-07-14T01:14:12.857Z"
locale: en
meta:
  description: "high returns (10.2%) — shark costume kids doesn't clear our bar today."
  "og:description": "high returns (10.2%) — shark costume kids doesn't clear our bar today."
  "og:title": "shark costume kids — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

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# **shark costume kids**

**Skip it**

High returns (10.2%) — this niche doesn't clear our bar today.

Market size 20Growth 21Conversion 14Competition 63Returns 8Price range 95Avg price 95Brand share 76Review moat 67Quality gap 68

**Avg price**

**Incredible****$27.03**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$17.47–$39.99**

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

**Brand share**

**Great****59%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****818.89**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****47%**

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

**Growth**

**Bad****-8.8%**

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

**Market size**

**Bad****$81K**

$81K/yr · 278K searches

**Conversion**

**Bad****1.1%**

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

**Returns**

**Bad****10.2%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**26 **▼falling

**Sellers**

**45**

**Top-5 brand share**

**59%**

**Open market**

**36%**

- inkArts29% - Touchat11% - TBGENIUS7% - HSCTEK7% - Newleafly5% - JCJ5%

## **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%4%$3K8%$6K12%$10K16%$13K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 38 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Shark Blanket Kids Shark Onesie for Kid Shark Costume Pajamas Kids Shark Blankets Hoodie Onesies](https://m.media-amazon.com/images/I/4123Zu2JvpL.jpg)**Shark Blanket Kids Shark Onesie for Kid Shark Costume Pajamas Kids Shark Blankets Hoodie Onesies**inkArts**$20.49**4.3★904 rev](https://www.amazon.com/dp/B0CLJ69TZC) [2![Touchat Shark Blanket for Adult & Kids Super Soft Cozy Flannel Throw Wearable Blanket Cartoon Animals Shark Onesie Hoodie Sleeping Bag Cosplay Shark Costume Blanket Gifts for Shark Lovers (Blue M)](https://m.media-amazon.com/images/I/414TlgyPBbL.jpg)**Touchat Shark Blanket for Adult & Kids Super Soft Cozy Flannel Throw Wearable Blanket Cartoon Animals Shark Onesie Hoodie Sleeping Bag Cosplay Shark Costume Blanket Gifts for Shark Lovers (Blue M)**Touchat**$18.12**4.5★1,252 rev](https://www.amazon.com/dp/B0CC98BTQJ) [3![inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie](https://m.media-amazon.com/images/I/419+3AHoJpL.jpg)**inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie**inkArts**$20.13**4.2★4,873 rev](https://www.amazon.com/dp/B0CH9TWC91) [4![TBGENIUS Shark Blanket Hoodie Onesie for Adults and Kids Cozy Flannel Shark Costume Shark Sleeping Bag](https://m.media-amazon.com/images/I/51ksak3cQAL.jpg)**TBGENIUS Shark Blanket Hoodie Onesie for Adults and Kids Cozy Flannel Shark Costume Shark Sleeping Bag**TBGENIUS**$17.74**4.0★213 rev](https://www.amazon.com/dp/B0FPVQMTT2) [5![HSCTEK Shark Onesie Costume Kids Baby Pajamas Cosplay Sleepwear Clothes 16](https://m.media-amazon.com/images/I/41nv4MHKU5L.jpg)**HSCTEK Shark Onesie Costume Kids Baby Pajamas Cosplay Sleepwear Clothes 16**HSCTEK**$29.17**4.6★270 rev](https://www.amazon.com/dp/B0DB1WDGQC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![XYJKIDSES Inflatable Shark Costume for Kids Funny Halloween Blow Up Costumes for Boys Girls Cosplay Party Suit (Blue Shark)](https://m.media-amazon.com/images/I/31xhwO-u1hL.jpg)**XYJKIDSES Inflatable Shark Costume for Kids Funny Halloween Blow Up Costumes for Boys Girls Cosplay Party Suit (Blue Shark)**XYJKIDSES**$36.72**23 rev3mo ago](https://www.amazon.com/dp/B0GSJ6XNS1) [![JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small](https://m.media-amazon.com/images/I/31hHBGJ4n1L.jpg)**JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small**JUOLOET**$25.57**471 rev9mo ago](https://www.amazon.com/dp/B0FT147DB3) [![TBGENIUS Shark Blanket Hoodie Onesie for Adults and Kids Cozy Flannel Shark Costume Shark Sleeping Bag](https://m.media-amazon.com/images/I/51ksak3cQAL.jpg)**TBGENIUS Shark Blanket Hoodie Onesie for Adults and Kids Cozy Flannel Shark Costume Shark Sleeping Bag**TBGENIUS**$17.74**213 rev10mo ago](https://www.amazon.com/dp/B0FPVQMTT2) [![Morph Shark Costume Kids Halloween Costume Boys and Girls Small](https://m.media-amazon.com/images/I/41PX58P46jL.jpg)**Morph Shark Costume Kids Halloween Costume Boys and Girls Small**Morph**$37.26**115 rev1y ago](https://www.amazon.com/dp/B0DTKGRCVG) [![Newleafly Unisex Kids Shark Onesie Pajamas Soft Cozy Animal Onesie Halloween Cosplay Costume](https://m.media-amazon.com/images/I/31p5-acGQGL.jpg)**Newleafly Unisex Kids Shark Onesie Pajamas Soft Cozy Animal Onesie Halloween Cosplay Costume**Newleafly**$24.03**15 rev1y ago](https://www.amazon.com/dp/B0F99KGL7T)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small](https://m.media-amazon.com/images/I/31hHBGJ4n1L.jpg)**JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small**JUOLOET**$25.57**4.6★**▲ 475%**](https://www.amazon.com/dp/B0FT147DB3) [![XYJKIDSES Inflatable Shark Costume for Kids Funny Halloween Blow Up Costumes for Boys Girls Cosplay Party Suit (Blue Shark)](https://m.media-amazon.com/images/I/31xhwO-u1hL.jpg)**XYJKIDSES Inflatable Shark Costume for Kids Funny Halloween Blow Up Costumes for Boys Girls Cosplay Party Suit (Blue Shark)**XYJKIDSES**$36.72**4.9★**▲ 471%**](https://www.amazon.com/dp/B0GSJ6XNS1) [![Shark Blanket Hoodie Onesie Adult Shark Wearable Blanket Sleeping Bag Soft Cozy Warm Flannel Hoodie](https://m.media-amazon.com/images/I/419+3AHoJpL.jpg)**Shark Blanket Hoodie Onesie Adult Shark Wearable Blanket Sleeping Bag Soft Cozy Warm Flannel Hoodie**inkArts**$37.39**4.2★**▲ 469%**](https://www.amazon.com/dp/B0CH9WS5HX) [![haikyuu Kid Shark Costume Grey Pink Yellow Blue Fish Hoodie Boy Girl Halloween Birthday Party Dress Up (blue Small)](https://m.media-amazon.com/images/I/31-FFTQrODL.jpg)**haikyuu Kid Shark Costume Grey Pink Yellow Blue Fish Hoodie Boy Girl Halloween Birthday Party Dress Up (blue Small)**haikyuu**$21.60**3.6★**▲ 464%**](https://www.amazon.com/dp/B0G6FFR4PM) [![HSCTEK Shark Onesie Costume Kids Baby Pajamas Cosplay Sleepwear Clothes 16](https://m.media-amazon.com/images/I/41nv4MHKU5L.jpg)**HSCTEK Shark Onesie Costume Kids Baby Pajamas Cosplay Sleepwear Clothes 16**HSCTEK**$29.17**4.6★**▲ 442%**](https://www.amazon.com/dp/B0DB1WDGQC)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -8.8% search growth over the last 90 days.

40K30KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 45.3×

## **Reviews**

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

### **What buyers love **

**Soft Feel**15%

*“The material itself is soft and cozy, and the design is really cute”*

**Gifting Purpose**12%

*“Great gift”*

**Comfort-Overall**12%

*“comfortable”*

**Size-Overall**11%

*“Fit great”*

**Warmth**8%

*“Cozy and warm”*

**Quality-Overall**7%

*“Good quality”*

**Fun/Entertainment Experience**5%

*“It's fun for the whole family”*

**Value For Money**4%

*“the sale price was right”*

**Material Quality**2%

*“Nice material”*

**Advertised Vs Actual Product**2%

*“As described”*

### **What buyers complain about **

**Size-Overall**32%

*“Poor fit”*

**Durability**10%

*“it kept tearing”*

**Quality-Overall**10%

*“not well made”*

**Gap/Hole**7%

*“there's two holes in it”*

**Stitch/Finish/Polish**6%

*“Weak seams”*

**Advertised Vs Actual Product**2%

*“Product description was way off”*

**Thickness**2%

*“Its thin and cheap”*

**Material Quality**2%

*“The material was very cheap”*

**Machine Wash Suitability**1%

*“Do not wash with other pieces of clothing”*

**Smell**1%

### **Top return reasons **

**Size-Overall**59%

**Length**13%

**Gap/Hole**5%

**Stitch/Finish/Polish**3%

**Advertised Vs Actual Product**3%

**Material Quality**3%

**Arm Fit**2%

**Sleeve Fit**1%

**Shoulder Fit**1%

**Product Condition**1%