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swim cap kids

Worth a look

Shows demand growing +135.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 60Growth 96Conversion 67Competition 48Returns 24Price range 19Avg price 45Brand share 45Review moat 46Quality gap 75

Growth

Incredible+135.4%

90-day search growth — must beat 0% to launch

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.0%

search→purchase rate — share of searches ending in a sale

Market size

Good$511K

$511K/yr · 752K searches

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay1,883.28

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Avg price

Okay$11.36

avg listing price — sweet spot $15–$100

Returns

Bad5.3%

return rate — above 5% kills the launch gate

Price range

Bad$7.78–$16.74

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United States niche tracking, swim cap kids is a $511K/yr Amazon United States market (752K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 57/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

swim cap kids market data

Units sold / yr
40K–50K
avg 1,250–1,500/product
Revenue / yr
$454K–$568K
units × avg price
Conversion rate
6.0%
Avg BSR
#46
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.3%
Avg brand age
45 months
Avg seller age
129 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

25

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

56%

Top 20: 95%

Open market

17%

  • Vorshape22%
  • Speedo19%
  • Aegend18%
  • HIACOS10%
  • Lasmare8%
  • YOGINGO5%
  • Open — no brand owns it (8 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +135.4% search growth over the last 90 days.
35K25KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 5.9×

Top swim cap kids search terms

  • swim cap kids227K/yr
  • kids swim cap117K/yr
  • swimming cap for kids61K/yr
  • swimming cap for kids 6-1451K/yr
  • swim caps for kids36K/yr
  • toddler swim cap40K/yr
  • girls swim cap32K/yr
  • swim cap for kids29K/yr
  • kids swim caps for girls28K/yr
  • kids swimming cap22K/yr
All search terms

Top swim cap kids 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.

0%5%$26K10%$51K15%$77K20%$102K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about swim cap kids

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall29%

“It is perfect as size describe”

Quality-Overall13%

“Good quality product with good price, easy to get on and off”

Water Resistance5%

“Definitely water proof”

Durability5%

“It is durable”

Value For Money5%

“Worth the money”

Ease Of Use4%

“Easy to use”

Moist/Dry4%

“helped to keep their hair dry”

Advertised Vs Actual Product4%

“Better than expected”

Color4%

“The color is pretty”

Stretchability/Expandability/Elasticity3%

“The silicone is soft and stretchy, so it doesn't snag or pull hair like the latex ones do”

What buyers complain about

Size-Overall16%

“Runs small”

Durability13%

“Broke quickly”

Moist/Dry12%

“It gets the hair wet every time”

Water Resistance10%

“It wasn't completely waterproof”

Ease Of Use6%

“difficult tout on”

Functionality-Overall5%

“yet still doesnt stay on her head during her swim lessons”

Quality-Overall5%

“Poor Quality”

Material Quality5%

“Cheap material”

Value For Money4%

“Not worth it”

Grip3%

“It kept sliding off”

Top return reasons

Size-Overall83%
Advertised Vs Actual Product3%
Value For Money2%
Material Quality2%
Comfort-Overall2%
Functionality-Overall1%
Ease Of Use1%
Water Resistance1%
Quality-Overall1%
Color1%

Common questions

Is swim cap kids profitable to sell on Amazon United States?
The niche generates $511K/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +135.4%. Flapen's verdict: Worth a look (57/100).
How competitive is the swim cap kids niche?
14 brands and 25 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in swim cap kids?
Top complaints mined from reviews: Size-Overall, Durability, Moist/Dry. The return rate is 5.3% — above our launch gate.
When does demand for swim cap kids peak?
Demand peaks in Jun–Jul; the busiest month runs 5.9× the quietest.
What does it cost to enter the swim cap kids niche?
Listings span $7.78–$16.74; the average listing price is $11.36 (sweet spot $15–$100). The average incumbent carries 1,883 reviews — the moat a new listing must climb.