Penguin Onesie Adult
FailAn estimated 12.9% of orders come back, so Penguin Onesie Adult is a Fail.
- Flapen Score
- 40 / 100Ranks 12,044 of 16,930 Clothing, Shoes & Jewelry niches · −5 vs the category median of 4540
- Market size
- $79K/yr181K searches / yr
- 90-day growth
- -40.4%search demand this quarter
- Competition
- 48%top-5 click share · 19 brands · 23 sellers
Flapen Score
Penguin Onesie Adult against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Penguin Onesie Adult is stronger. Inside it, weaker.
Market
The Penguin Onesie Adult market on Amazon at a glance
Shoppers on Amazon United States searched for Penguin Onesie Adult 181K times last year and spent an estimated $79K. The top 5 brands take 61% of clicks. Demand peaks in Oct–Nov. Flapen scores it 40 out of 100, a Fail.
01 · Demand
An estimated 1.9% of those searches ended in a purchase.
Shoppers searched for this 181K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.9% of those searches ended in a purchase. Searches in the last 90 days moved -40.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $79K a year.
- Searches, last 12 months
- 181K
- Growth, 90 days vs prior 90
- -40.4%
- Conversion, latest week
- 1.9%
- Market size, estimated
- $79Ka year
- Peak month
- October35.8× the quietest month
- Top search term
- penguin onesie102K searches a year
02 · Price
A sale here is worth $23.41.
Listings sell for $23.41 on average, from $12.99 to $34.00. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $23.41 that is $2K to $6K a year per listing.
- Average price
- $23.41inside the $15 to $100 sweet spot
- Price range
- $12.99–$34.00
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 12.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
79% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 11.9% of listings are out of stock. The average listing ranks #17,250 within Sleep & Lounge. It carries 1,010 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 100%
- Out of stock, average day
- 11.9%
- Average rank
- #17,250in Sleep & Lounge
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 1,010per listing
- Listings tracked
- 28
04 · Newcomers
0 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 42 months
Products
Top Penguin Onesie Adult products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear Penguin
- Price
- $28.20
- Rating
- 4.7/5
- Reviews
- 4,269
- Age
- 5y ago

QUERITU Penguin Adult Onesie Pajamas - Unisex Halloween Animal Cosplay Costume Sleepwear - Comfy One-Piece Suit for Men & Women
- Price
- $21.62
- Rating
- 4.6/5
- Reviews
- 301
- Age
- 1y ago

AILMQYJL Snug Fit Unisex Adult Onesie Pajamas Flannel Penguin Cosplay One Piece Halloween Costume hooded Sleepwear Homewear
- Price
- $27.72
- Rating
- 4.6/5
- Reviews
- 152
- Age
- 1y ago

Adrinfly One-piece Pajamas Unisex Costume Adult Animal Onesie Penguin Cosplay Small
- Price
- $24.60
- Rating
- 4.4/5
- Reviews
- 807
- Age
- 9y ago

OLAOLA Adult Onesie Penguin Halloween Costume Animal One-Piece Pajamas
- Price
- $29.08
- Rating
- 4.6/5
- Reviews
- 1,338
- Age
- 4y ago
Trending
estimated 90-day click momentum
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Penguin Cosplay Animal One Piece Halloween Costume Sleepwear Homewear
- Price
- $27.89
- Rating
- 4.6/5
- Reviews
- 1,136
- Age
- 2y ago

LATH.PIN Penguin Onesie Pajamas for Adult Unisex Animal Cosplay Halloween Penguin Onesies Costumes Lounge Wear Sleepsuit
- Price
- $18.50
- Rating
- 4.2/5
- Reviews
- 269
- Age
- 3y ago

SAMGU Adult Penguin Onesie Costume Plush Fleece Halloween Party Cosplay Suit One Piece Pajamas Large
- Price
- $29.24
- Rating
- 4.4/5
- Reviews
- 94
- Age
- 1y ago

Lavy ning Animal Adult Onesie Unisex One-Piece Cosplay Costume Pajamas For Men
- Price
- $24.75
- Rating
- 4.5/5
- Reviews
- 220
- Age
- 1y ago

Trs Chic Mailanda Unisex Fleece Penguin Adult Onesie Costume Pajamas Zip Up Plush Sleepwear Loungewear
- Price
- $18.85
- Rating
- 4.3/5
- Reviews
- 61
- Age
- 10mo ago
Newest
by launch date
Trs Chic Mailanda Unisex Fleece Penguin Adult Onesie Costume Pajamas Zip Up Plush Sleepwear Loungewear
- Price
- $18.85
- Rating
- 4.3/5
- Reviews
- 61
- Age
- 10mo ago

ANMIBOBU Unisex Adult Onesie Pajamas Animal Cosplay Halloween Costume One Piece Plush Sleepwear Homewear(Penguin-S)
- Price
- $18.29
- Rating
- 4.6/5
- Reviews
- 157
- Age
- 12mo ago

AILMQYJL Snug Fit Unisex Adult Onesie Pajamas Flannel Penguin Cosplay One Piece Halloween Costume hooded Sleepwear Homewear
- Price
- $27.72
- Rating
- 4.6/5
- Reviews
- 152
- Age
- 1y ago

JUOLOET Unisex Adult Onesie Pajamas Penguin Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Penguin Small
- Price
- $22.08
- Rating
- 4.6/5
- Reviews
- 473
- Age
- 1y ago

Joyxiamunicorns Unisex Kids Penguin Onesie Pajamas Animal Cosplay Costume Halloween Christmas Cartoon Sleepwear Jumpsuit
- Price
- $23.71
- Rating
- 4.8/5
- Reviews
- 23
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
23
Est. top-5 brand share
61%
Top 20: 100%
Est. top-5 click share
48%
Top 20: 93%
Open market
33%
- COSUSKET27%
- QUERITU10%
- AILMQYJL9%
- Adrinfly8%
- OLAOLA7%
- Lavy ning7%
Demand
Penguin Onesie Adult search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 35.8×
Search terms
Top Penguin Onesie Adult search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- penguin onesie102K/yr
- penguin onesie adult71K/yr
- penguin onsie8K/yr
Reviews and returns
What reviews say buyers love and hate about Penguin Onesie Adult
We read the reviews and the return reasons for every product selling here.
“the quality is poor as it already had a couple holes in the seams upon arrival”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Penguin Onesie Adult questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









