---
title: "Penguin Costume — £31K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/penguin-costume"
last_updated: "2026-07-31T20:45:35.764Z"
locale: en
meta:
  description: "Niche score 35/100 · £31K/yr market · 52K searches/yr · £18.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 35/100 · £31K/yr market · 52K searches/yr · £18.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Penguin Costume — £31K/yr Amazon UK Niche (2026) - Flapen"
---

# **penguin costume**

**Skip it**

Soft demand (-41.0% this quarter) — this niche doesn't clear our bar today.

Market size 8Growth 5Conversion 41Competition 26Returns 26Price range 65Avg price 83Brand share 32Review moat 77Quality gap 78

**Avg price**

**Great****£18.31**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****451.38**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****£9.81–£24.45**

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

**Conversion**

**Okay****3.2%**

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

**Brand share**

**Okay****86%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****70%**

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

**Returns**

**Okay****5.0%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****£31K**

£31K/yr · 52K searches

**Growth**

**Bad****-41.0%**

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

According to Flapen's Amazon United Kingdom niche tracking, penguin costume is a £31K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Mar–Oct–Nov. Verdict: Skip it — 35/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **penguin costume market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**750–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£14K–£18K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#859**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**75%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**14.9%**</dd>

<dt>**Avg brand age**</dt><dd>**44 months**</dd>

<dt>**Avg seller age**</dt><dd>**203 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▼falling

**Sellers**

**33**

**Top-5 brand share**

**86%**

Top 20: 100%

**Top-5 click share**

**70%**

Top 20: 100%

**Open market**

**8%**

- FunnyCos48% - ULEEMARK11% - amscan10% - OLAOLA9% - Smiffys8% - A2Z 4 Kids6% - Open — no brand owns it (3 brands, 8%)

## **Demand & seasonality**

Weekly Amazon search volume, last 82 weeks — -41.0% search growth over the last 90 days.

6K4KSpike '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Mar, Oct, Nov · busiest ÷ quietest = 10.0×

[**Open Trend **](https://flapen.com/research/uk/fashion/penguin-costume/trend)

## **Top penguin 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%10%£3K20%£6K30%£9K40%£12K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S](https://m.media-amazon.com/images/I/41bV4KqMf6L.jpg)**FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S**FunnyCos**£15.11**4.1★906 rev](https://www.amazon.co.uk/dp/B09L53VW4B) [2![FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin M](https://m.media-amazon.com/images/I/41bV4KqMf6L.jpg)**FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin M**FunnyCos**£17.37**4.1★906 rev](https://www.amazon.co.uk/dp/B07KNP1SKC) [3![Womens Adult Pajamas Unisex Animal Onesies Novelty Pyjamas Nightwear Halloween Homewear Cosplay Costume Loungewear Onepiece Gray Penguin S( 148-155CM )](https://m.media-amazon.com/images/I/31O-Ryim8tL.jpg)**Womens Adult Pajamas Unisex Animal Onesies Novelty Pyjamas Nightwear Halloween Homewear Cosplay Costume Loungewear Onepiece Gray Penguin S( 148-155CM )**ULEEMARK**£17.96**4.3★979 rev](https://www.amazon.co.uk/dp/B07L4FDBFT) [4![amscan 997688 Adults Penguin Pal Fancy Dress Costume (Chest: 52) Black/White](https://m.media-amazon.com/images/I/41Ofj6AtPCL.jpg)**amscan 997688 Adults Penguin Pal Fancy Dress Costume (Chest: 52) Black/White**amscan**£21.51**4.4★833 rev](https://www.amazon.co.uk/dp/B00MEKESPC) [5![OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)](https://m.media-amazon.com/images/I/31TF6-XhiXL.jpg)**OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)**OLAOLA**£22.21**4.3★304 rev](https://www.amazon.co.uk/dp/B0B6N6FXHY)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)](https://m.media-amazon.com/images/I/31AfZ2kbmGL.jpg)**Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)**Catwalk Costumes**£15.20**1 rev9mo ago](https://www.amazon.co.uk/dp/B0FX5CF1GV) [![Penguin Onesie Costumes Pajamas Women Men Animal Cosplay One Piece Halloween Xmas Homewear](https://m.media-amazon.com/images/I/313VRXrr06L.jpg)**Penguin Onesie Costumes Pajamas Women Men Animal Cosplay One Piece Halloween Xmas Homewear**PENGMAI**£16.38**136 rev2y ago](https://www.amazon.co.uk/dp/B0D77PRL55) [![A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK](https://m.media-amazon.com/images/I/41Uj86SFbpL.jpg)**A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK**A2Z 4 Kids**£14.91**87 rev3y ago](https://www.amazon.co.uk/dp/B0BLNZPN1B) [![A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK](https://m.media-amazon.com/images/I/41Uj86SFbpL.jpg)**A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK**A2Z 4 Kids**£14.98**87 rev3y ago](https://www.amazon.co.uk/dp/B0BLNFCLMS) [![OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)](https://m.media-amazon.com/images/I/31TF6-XhiXL.jpg)**OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)**OLAOLA**£22.21**304 rev4y ago](https://www.amazon.co.uk/dp/B0B6N6FXHY)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Womens Adult Pajamas Unisex Animal Onesies Novelty Pyjamas Nightwear Halloween Homewear Cosplay Costume Loungewear Onepiece Gray Penguin S( 148-155CM )](https://m.media-amazon.com/images/I/31O-Ryim8tL.jpg)**Womens Adult Pajamas Unisex Animal Onesies Novelty Pyjamas Nightwear Halloween Homewear Cosplay Costume Loungewear Onepiece Gray Penguin S( 148-155CM )**ULEEMARK**£17.96**4.3★**▲ 141%**](https://www.amazon.co.uk/dp/B07L4FDBFT) [![FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S](https://m.media-amazon.com/images/I/41bV4KqMf6L.jpg)**FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S**FunnyCos**£15.11**4.1★**▲ 88%**](https://www.amazon.co.uk/dp/B09L53VW4B) [![OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)](https://m.media-amazon.com/images/I/31TF6-XhiXL.jpg)**OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)**OLAOLA**£22.21**4.3★**▲ 60%**](https://www.amazon.co.uk/dp/B0B6N6FXHY) [![Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)](https://m.media-amazon.com/images/I/31AfZ2kbmGL.jpg)**Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)**Catwalk Costumes**£15.20**5.0★**▲ 50%**](https://www.amazon.co.uk/dp/B0FX5CF1GV) [![OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas M(55-59)](https://m.media-amazon.com/images/I/31TF6-XhiXL.jpg)**OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas M(55-59)**OLAOLA**£24.45**4.3★**▲ 41%**](https://www.amazon.co.uk/dp/B0B6NC5TRV)

**~~View all trending →~~**

## **What buyers say about penguin costume**

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

### **What buyers love **

**Size-Overall**67%

*“Excellent suits”*

**Color**17%

*“white went down really well everyone loved it did get changed later”*

**Value For Money**17%

*“Really good value for money would rrecommend”*

### **What buyers complain about **

**Quality-Overall**100%

*“Not the greatest quality”*

### **Top return reasons **

**Size-Overall**66%

**Quality-Overall**11%

**Thigh Fit**5%

**Defective Material/Parts**3%

**Length**3%

**Material Quality**3%

**Adhesion/Stickiness**2%

**Zipper Quality**2%

**Gap/Hole**2%

**Advertised Vs Actual Product**2%

## **Common questions**

<dl>

<dt>**Is penguin costume profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £31K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -41.0%. Flapen's verdict: Skip it (35/100).</dd>

<dt>**How competitive is the penguin costume niche?**</dt><dd>9 brands and 33 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 86% of demand.</dd>

<dt>**What do buyers complain about in penguin costume?**</dt><dd>Top complaints mined from reviews: Quality-Overall. The return rate is 5.0%.</dd>

<dt>**When does demand for penguin costume peak?**</dt><dd>Demand peaks in Mar–Oct–Nov; the busiest month runs 10.0× the quietest.</dd>

<dt>**What does it cost to enter the penguin costume niche?**</dt><dd>Listings span £9.81–£24.45; the average listing price is £18.31 (sweet spot $15–$100). The average incumbent carries 451 reviews — the moat a new listing must climb.</dd>

</dl>

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