Onesies for Girls
FailDemand is soft, at -72.1% this quarter, so Onesies for Girls is a Fail.
- Flapen Score
- 46 / 100Ranks 1,383 of 2,461 Fashion niches · −2 vs the category median of 4846
- Market size
- £34K/yr383K searches / yr
- 90-day growth
- -72.1%search demand this quarter
- Competition
- 9%top-5 click share · 53 brands · 40 sellers
Flapen Score
Onesies for Girls against its category
The dotted line is the Fashion average. Past it, Onesies for Girls is stronger. Inside it, weaker.
Market
The Onesies for Girls market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Onesies for Girls 383K times last year and spent an estimated £34K. The top 5 brands take 48% of clicks. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 0.6% of those searches ended in a purchase.
Shoppers searched for this 383K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.6% of those searches ended in a purchase. Searches in the last 90 days moved -72.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £34K a year.
- Searches, last 12 months
- 383K
- Growth, 90 days vs prior 90
- -72.1%
- Conversion, latest week
- 0.6%
- Market size, estimated
- £34Ka year
- Top search term
- girls onesie42K searches a year
02 · Price
A sale here is worth £15.45.
Listings sell for £15.45 on average, from £7.88 to £30.69. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 0 to 100 of them. At £15.45 that is £0 to £2K a year per listing.
- Average price
- £15.45inside the $15 to $100 sweet spot
- Price range
- £7.88–£30.69
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£2K
- Returns
- 3.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 81% ship with Prime. On an average day, 18.5% of listings are out of stock. The average listing ranks #101 within Boys. It carries 601 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 81%
- Out of stock, average day
- 18.5%
- Average rank
- #101in Boys
- Average rating
- 4.47 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 601per listing
- Listings tracked
- 290
04 · Newcomers
0 of last year's 45 launches cleared the first-year sales bar.
45 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 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 45
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Onesies for Girls 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Ceruwum Girls Unicorn Sleepsuit Kids Unicorn Onesie Pyjamas (Pink/Blue 7-8 Years)
- Price
- £16.16
- Rating
- 4.6/5
- Reviews
- 735
- Age
- 4y ago

Todler Ctpy Unisex Children Animal Onesie Pajamas Flannel Halloween Cosplay CostumeHomewearSleepwear
- Price
- £19.71
- Rating
- 4.5/5
- Reviews
- 47
- Age
- 1y ago

ThePyjamaFactory Boys Video Game Controller Fleece Gaming Sleepsuit (11-12 Years) Black
- Price
- £10.17
- Rating
- 4.7/5
- Reviews
- 40
- Age
- 2y ago

Minecraft Boys Fleece Onesie Hooded Onesie Pyjamas - Gifts for Gamers (Black Aop 9-10 Years)
- Price
- £18.79
- Rating
- 4.6/5
- Reviews
- 5,534
- Age
- 6y ago

Marvel Spiderman Boys Fleece Onesie 1.5-2 Years Blue
- Price
- £11.90
- Rating
- 4.7/5
- Reviews
- 1,122
- Age
- 6y ago
Trending
estimated 90-day click momentum
Ceruwum Girls Unicorn Sleepsuit Kids Unicorn Onesie Pyjamas (Cat-Violet Stars 7-8 Years)
- Price
- £15.31
- Rating
- 4.6/5
- Reviews
- 735
- Age
- 7mo ago

KAKU NANU Unicorn Onesies for Girls Kids Fluffy Age 8 9 10 Unicorn Gifts for Girls Pink
- Price
- £13.01
- Rating
- 4.5/5
- Reviews
- 343
- Age
- 2y ago

Get Trend Naruto Onesies for Boys & Teens 7-15 Years Fleece Jumpsuit PJs Hooded Fleece Onesie Pyjamas Anime Gifts for Boys (13-14 Years Black Naruto)
- Price
- £17.17
- Rating
- 4.6/5
- Reviews
- 61
- Age
- 1y ago

KAKU NANU Unicorn Onesies for Girls Kids Fluffy Age 6 7 8 Unicorn Gifts for Girls Pink
- Price
- £13.56
- Rating
- 4.5/5
- Reviews
- 343
- Age
- 2y ago

KAKU NANU Girls Onesie Kids Rainbow Onesie Fluffy Fleece Jumpsuit Toddler Sleepsuit Gifts for Girls Age 3 4 Years
- Price
- £15.07
- Rating
- 4.5/5
- Reviews
- 21
- Age
- 8mo ago
Newest
by launch date
Ceruwum Girls Unicorn Sleepsuit Kids Unicorn Onesie Pyjamas (Cat-Violet Stars 7-8 Years)
- Price
- £15.31
- Rating
- 4.6/5
- Reviews
- 735
- Age
- 7mo ago

KAKU NANU Girls Onesie Kids Rainbow Onesie Fluffy Fleece Jumpsuit Toddler Sleepsuit Gifts for Girls Age 3 4 Years
- Price
- £15.07
- Rating
- 4.5/5
- Reviews
- 21
- Age
- 8mo ago

KAKU NANU Girls Onesie Kids Rainbow Onesie Fluffy Fleece Jumpsuit Toddler Sleepsuit Gifts for Girls Age 6 7 8 Years
- Price
- £14.29
- Rating
- 4.5/5
- Reviews
- 21
- Age
- 8mo ago

Get Trend Naruto Onesies for Boys & Teens 7-15 Years Fleece Jumpsuit PJs Hooded Fleece Onesie Pyjamas Anime Gifts for Boys (13-14 Years Black Naruto)
- Price
- £17.17
- Rating
- 4.6/5
- Reviews
- 61
- Age
- 1y ago

Todler Ctpy Unisex Children Animal Onesie Pajamas Flannel Halloween Cosplay CostumeHomewearSleepwear
- Price
- £19.71
- Rating
- 4.5/5
- Reviews
- 47
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 9% of clicks, no more. An open shelf where new products get seen.
Brands
53 rising
Sellers
40
Est. top-5 brand share
48%
Top 20: 88%
Est. top-5 click share
9%
Top 20: 25%
Open market
52%
- KAKU NANU13%
- Ceruwum11%
- Disney8%
- A2Z 4 Kids6%
- Minecraft5%
- Get Trend5%
Demand
Onesies for Girls search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Dec · busiest ÷ quietest = 15.2× · 8 of 12 months tracked
Search terms
Top Onesies for Girls search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- girls onesie42K/yr
- boys onesie40K/yr
- onesies for boys42K/yr
- stitch onesie37K/yr
- onesies for girls34K/yr
- onesie kids13K/yr
- minecraft onesie18K/yr
- kids onesie girls15K/yr
- boys onesie 11-12 years13K/yr
- girls onesie 6-7 years7K/yr
Reviews and returns
What reviews say buyers love and hate about Onesies for Girls
We read the reviews and the return reasons for every product selling here.
“too big”
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.
18 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 Onesies for Girls 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









