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swim diapers size 3

Skip it48/100

a small market ($687K/yr) — swim diapers size 3 doesn't clear our bar today.

Market/yr

$687K

Growth (1y)

+76.0%

Products

24

Brands

10

was 9 a year ago

Sellers

15

Price range

$6.40–$29.41

Returns

2.1%

Rating

4.6★

48/100

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Scored 48/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
28
×0.30
Growth
58
×0.30
Competition
54
×0.20
Quality gap
32
×0.10
Returns
83
×0.10

Demand

Weekly Amazon search volume, last 102 weeks — +76.0% year over year.
12K6KBlack Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: May, Jun, Jul · busiest ÷ quietest = 9.4×

Competition

42%MooMoo Baby
  • MooMoo Baby42%
  • Hello Bello19%
  • ALVA15%
  • BIG ELEPHANT7%
  • MomEasier6%
  • EZ Moms5%
  • Other (4 brands)7%

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them. 10 brands and 15 sellers compete here.

Brands

10 rising

was 9 a year ago

Sellers

15

Top 5 brand share

87%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 24 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall22%

“Fit well”

Quality-Overall12%

“These are well made”

Stretchability/Expandability/Elasticity9%

“They have a nice stretch”

Water Resistance5%

“they're soft and water resistant”

Comfort-Overall4%

“Comfortable”

Ease Of Use4%

“Easy to use”

Ease Of Cleaning4%

“they were very easy to clean”

Soft Feel3%

“They are super soft”

Absorbency3%

“they have more absorbency”

Value For Money3%

“Pretty good for the price”

What buyers complain about

Size-Overall15%

“Size up”

Water Resistance13%

“was soaked and didnt protect it from water, which completely failed to meet its purpose”

Ease Of Use7%

“Just a little complex to put on”

Smell5%

“Its fragranced”

Functionality-Overall5%

“These do NOT work at all”

Value For Money3%

“The diapers are kinda overpriced I found another brand for cheaper that I like better”

Thickness3%

“The material is thick”

Touch/Button Controls2%

“Super soft - buttons came off”

Allergies2%

“.He has eczema”

Stitch/Finish/Polish2%

“a bit tight at the seams”

Top return reasons

  • Size-Overall71%
  • Advertised Vs Actual Product3%
  • Material Quality2%
  • Thin2%
  • Value For Money2%
  • Quality-Overall2%
  • Functionality-Overall2%
  • Waist Fit2%
  • Age Suitability2%
  • Hip Fit1%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.