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Shark Onesie

Fail

Demand is soft, at -32.3% this quarter, so Shark Onesie is a Fail.

Flapen Score
38
38 / 100
Ranks 5,059 of 5,777 Home & Garden niches · −13 vs the category median of 51
Market size
£50K/yr173K searches / yr
90-day growth
-32.3%search demand this quarter
Competition
63%top-5 click share · 11 brands · 19 sellers

Flapen Score

Shark Onesie against its category

The dotted line is the Home & Garden average. Past it, Shark Onesie is stronger. Inside it, weaker.

38Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Shark Onesie market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Shark Onesie 173K times last year and spent an estimated £50K. The top 5 brands take 84% of clicks. Demand peaks in Oct–Nov–Dec. Flapen scores it 38 out of 100, a Fail.

01 · Demand

An estimated 1.6% of those searches ended in a purchase.

Shoppers searched for this 173K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 1.6% of those searches ended in a purchase. Searches in the last 90 days moved -32.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £50K a year.

Searches, last 12 months
173K
Growth, 90 days vs prior 90
-32.3%
Conversion, latest week
1.6%
Market size, estimated
£50Ka year
Peak month
December5.0× the quietest month
Top search term
shark onesie69K searches a year

02 · Price

A sale here is worth £18.52.

Listings sell for £18.52 on average, from £14.34 to £24.30. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At £18.52 that is £2K to £5K a year per listing.

Average price
£18.52inside the $15 to $100 sweet spot
Price range
£14.34–£24.30
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
100–250
Revenue per listing a year
£2K–£5K
Returns
4.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

62% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 15.0% of listings are out of stock. The average listing ranks #131 within Home Textiles. It carries 199 reviews at 4.28 stars, so a new listing needs social proof before a better product.

Sponsored listings
62%
Prime listings
100%
Out of stock, average day
15.0%
Average rank
#131in Home Textiles
Average rating
4.28 starsAmazon United Kingdom average 4.36 stars
Average reviews
199per listing
Listings tracked
21

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 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 36 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
0Amazon's first-year sales bar
Average brand age
36 months

Products

Top Shark Onesie 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 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.

£0£2K£5K£7K£10K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 rising

Sellers

19

Est. top-5 brand share

84%

Top 20: 100%

Est. top-5 click share

63%

Top 20: 99%

Open market

11%

  • TBGENIUS43%
  • Shamdon Home Collection18%
  • IDAHSOR12%
  • Ambitelligence6%
  • QUSLLIS5%
  • AMAMHAHAVA4%
  • Open — no brand owns it (5 brands, 11%)

Demand

Shark Onesie search demand

Weekly searches over the year, seasonality beneath. Pick a range.

7K5KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 5.0×

Search terms

Top Shark Onesie search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • shark onesie69K/yr
  • shark blanket40K/yr
  • shark onesie adult19K/yr
  • shark onesie kids12K/yr
  • shark onsie7K/yr
  • shark sleeping bag4K/yr
  • shark onesies for adults4K/yr
  • shark oodie5K/yr
  • shark blanket kids4K/yr
  • shark blanket adult9K/yr

Reviews and returns

What reviews say buyers love and hate about Shark Onesie

We read the reviews and the return reasons for every product selling here.

18%of positive reviews mention “Size-Overall”
52%of negative reviews mention “Size-Overall”
4.6%of orders come back
“Should be big, even”
A buyer, on “Size-Overall”52% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common Shark Onesie 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