penguin costume
Skip itSoft demand (-41.0% this quarter) — this niche doesn't clear our bar today.
Avg price
Great£18.31avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Great451.38avg incumbent reviews — the moat a new listing must climb
Price range
Good£9.81–£24.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Returns
Okay5.0%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
penguin costume market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- £14K–£18K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #859
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 56%
- Out of stock
- 14.9%
- Avg brand age
- 44 months
- Avg seller age
- 203 days
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.Peak months: Mar, Oct, Nov · busiest ÷ quietest = 10.0×
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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S
FunnyCos£15.114.1★906 rev

FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin M
FunnyCos£17.374.1★906 rev

Womens Adult Pajamas Unisex Animal Onesies Novelty Pyjamas Nightwear Halloween Homewear Cosplay Costume Loungewear Onepiece Gray Penguin S( 148-155CM )
ULEEMARK£17.964.3★979 rev

amscan 997688 Adults Penguin Pal Fancy Dress Costume (Chest: 52) Black/White
amscan£21.514.4★833 rev

OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)
OLAOLA£22.214.3★304 rev
Newest
by launch date
Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)
Catwalk Costumes£15.201 rev

Penguin Onesie Costumes Pajamas Women Men Animal Cosplay One Piece Halloween Xmas Homewear
PENGMAI£16.38136 rev

A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK
A2Z 4 Kids£14.9187 rev

A2Z 4 Kids Panda Costume Jumpsuit Hooded Fleece Playsuit All in One UK
A2Z 4 Kids£14.9887 rev

OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)
OLAOLA£22.21304 rev
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 )
ULEEMARK£17.964.3★

FunnyCos Adult Onesie Animal Pajamas Unisex Halloween Cosplay Costume Loungewear Penguin S
FunnyCos£15.114.1★

OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas S(51-55)
OLAOLA£22.214.3★

Catwalk Adult Penguin Fancy Dress Costume Unisex Black and White (Standard: Up to Chest 42)
Catwalk Costumes£15.205.0★

OLAOLA Penguin Onesie Adult Flannel Christmas Pyjamas M(55-59)
OLAOLA£24.454.3★
What buyers say about penguin costume
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent suits”
“white went down really well everyone loved it did get changed later”
“Really good value for money would rrecommend”
What buyers complain about
“Not the greatest quality”
Top return reasons
Common questions
- Is penguin costume profitable to sell on Amazon United Kingdom?
- 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).
- How competitive is the penguin costume niche?
- 9 brands and 33 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in penguin costume?
- Top complaints mined from reviews: Quality-Overall. The return rate is 5.0%.
- When does demand for penguin costume peak?
- Demand peaks in Mar–Oct–Nov; the busiest month runs 10.0× the quietest.
- What does it cost to enter the penguin costume niche?
- 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.