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Girls Swimming Costume

Girls Swimming Costume shows a fragmented shelf (top 5 take 19% of clicks), but weak search conversion (0.9%) keeps it on the watch list.

Flapen Score

50
Worth a look
Market size 28Growth 41Conversion 11Competition 95Returns 23Price range 51Avg price 48Brand share 77Review moat 72Quality gap 55
This niche Category average

Is Girls Swimming Costume profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Girls Swimming Costume is a £122K/yr Amazon United Kingdom market (1.2M searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Jan. Verdict: Worth a look — 50/100.

Girls Swimming Costume: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +12.6% over the last 90 days and 0.9% of searches end in a purchase.

£122K

revenue / yr

Units sold / yr13K
Search volume / yr+12.6%1.2M
Conversion rate0.9%
Avg price£11.76

Who owns the niche?

The top 5 brands hold 58% of demand, so 42% of the market is open.

42%

open market share

Brands · sellers33 · 75
Top-5 product click share19%
Open market42%
Avg brand age36 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 128 products

Sponsored placement93%
New entrants (1y)60· 0 succeeded
Avg rating4.4★
Avg reviews636

Top Girls Swimming Costume products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.

£0£2K£5K£7K£10K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

33 rising

Sellers

75

Top-5 brand share

58%

Top 20: 94%

Top-5 click share

19%

Top 20: 44%

Open market

37%

  • Speedo19%
  • Ewbob13%
  • FishingDino12%
  • Amazon Essentials9%
  • InfiniZer5%
  • XiaoMoSha5%

Girls Swimming Costume demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume1.2MCVR0.9%Products128Brands33Top 5 Brands58%OOS Rate2.7%Rating4.4★Reviews636Avg BSR#60
40K30KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.1×

Top Girls Swimming Costume search terms shoppers use

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

  • girls swimming costume392K/yr
  • swimming costume girls279K/yr
  • kids swimming costume78K/yr
  • girls swimsuit52K/yr
  • swimsuit girls41K/yr
  • speedo swimsuit girls59K/yr
  • swimming suit for girls33K/yr
  • girls swimming costumes one piece24K/yr
  • swim suit kids20K/yr
  • girls swimming costume age 12-1321K/yr

What reviews say buyers love and hate about Girls Swimming Costume

What buyers mention most, as a share of all reviews.

What buyers love

83% of reviews
Size-Overall30%

True to size

Quality-Overall20%

Good quality

Comfort-Overall9%

Very comfortable

Color5%

such lively vibrant colours

Value For Money4%

Good value for money

What buyers complain about

74% of reviews
Size-Overall34%

Too tight

Durability10%

Split open

Value For Money6%

This is something I would pay £2 for

Material Quality5%

The material is so cheap it is all wrinkle together and just awful

Adhesion/Stickiness4%

the hygiene label that was we pulled off left an awful sticky residue that I could not get off

Girls Swimming Costume return rate & reasons

Why buyers send it back, as a share of all return requests.

5.5%

Return rate

89%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
82%
2Quality-Overall
3%
3Material Quality
2%
4Zipper Quality
1%
5Transparency
1%

Common Girls Swimming Costume questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Girls Swimming Costume 50/100 on Amazon United Kingdom — Worth a look. The niche generates £122K/yr across 128 tracked products. 0 of 60 products launched in the last 360 days are still selling. Search demand moved +12.6% over the last 90 days.
Search demand for Girls Swimming Costume on Amazon United Kingdom peaks in Jan, where the busiest month runs 2.1× the quietest.