Skip to content

swim diaper size 1

Skip it46/100

a small market ($42K/yr) — swim diaper size 1 doesn't clear our bar today.

Market/yr

$42K

Growth (1y)

+110.2%

Products

40

Brands

20

was 8 a year ago

Sellers

51

Price range

$6.42–$42.93

Returns

2.2%

Rating

4.6★

46/100

Skip it

Scored 46/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
2
×0.30
Growth
66
×0.30
Competition
72
×0.20
Quality gap
27
×0.10
Returns
83
×0.10

Demand

Weekly Amazon search volume, last 102 weeks — +110.2% year over year.
1K703Black Friday '24Spike '25Black Friday '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 = 11.2×

Competition

17%ALVA
  • ALVA17%
  • alpree13%
  • upandfast13%
  • babygoal11%
  • MooMoo Baby8%
  • YOUNGER TREE6%
  • Other (14 brands)32%

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them. 20 brands and 51 sellers compete here.

Brands

20 rising

was 8 a year ago

Sellers

51

Top 5 brand share

62%

#ProductBrandPriceRatingReviewsClick shareTrend
1alpree$15.934.8★16113%falling

Product shelf

All 40 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall22%

“fit securely”

Quality-Overall8%

“very well constructed”

Water Resistance6%

“It is water resistant”

Comfort-Overall6%

“These are comfortable”

Design-Overall6%

“The designs are pretty cute”

Ease Of Use5%

“Easy to use”

Adjustability/Rotatability/Reclining4%

“theyre adjustable to grow with baby”

Stretchability/Expandability/Elasticity4%

“the elastic seems comfortable”

Value For Money4%

“Definitely worth the price”

Durability3%

“They feel like they are durable”

What buyers complain about

Functionality-Overall21%

“Doesnt do its job”

Water Resistance16%

“got under water when we first tried it”

Size-Overall15%

“Small”

Quality-Overall4%

“Snaps cheap, dont work”

Material Quality3%

“Maybe the product material has since changed”

Certifications3%

“USCG stamp not on it”

Durability3%

“broke out upon first use”

Zipper Quality2%

“Dumb zipper placement”

Strength2%

“it didn't even hold him up”

Advertised Vs Actual Product2%

“Deceiving”

Top return reasons

  • Size-Overall67%
  • Functionality-Overall6%
  • Advertised Vs Actual Product4%
  • Value For Money3%
  • Certifications2%
  • Water Resistance2%
  • Length2%
  • Quality-Overall1%
  • Material Quality1%
  • Thin1%

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