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18 month girl pajamas

Worth a look58/100

18 month girl pajamas shows a fragmented shelf (top 5 take 11% of clicks), but a small market ($285K/yr) keeps it on the watch list.

Market/yr

$285K

Growth (1y)

+210.0%

Products

211

Brands

32

was 25 a year ago

Sellers

32

Price range

$9.52–$43.39

Returns

3.0%

Rating

4.6★

58/100

Worth a look

Scored 58/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
14
×0.30
Growth
78
×0.30
Competition
100
×0.20
Quality gap
26
×0.10
Returns
76
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +210.0% year over year.
30K15KPrime Day '24Spike '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: Oct, Nov · busiest ÷ quietest = 2.0×

Competition

26%Gerber
  • Gerber26%
  • Simple Joys by Carter's22%
  • Amazon Essentials8%
  • Carter's7%
  • Onesies Brand7%
  • Burt's Bees Baby5%
  • Other (26 brands)26%

Clicks spread well past the top 5 (11% combined) — an open shelf where new products get seen. 32 brands and 32 sellers compete here.

Brands

32 rising

was 25 a year ago

Sellers

32

Top 5 brand share

70%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 211 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall14%

“Excellent quality”

Soft Feel13%

“Nice and soft”

Size-Overall13%

“Fit was accurate too”

Comfort-Overall7%

“Very comfortable”

Material Quality7%

“Soft material”

Warmth4%

“they provide adequate warmth”

Color3%

“Colors are beautiful”

Value For Money3%

“Worth it”

Design-Overall3%

“Cute designs”

Weight Light2%

“They are mostly lightweight however with really solidly sewn fabric”

What buyers complain about

Size-Overall24%

“Run very small”

Quality-Overall8%

“Not well made”

Material Quality6%

“Cheap material”

Zipper Quality5%

“Zipper and material feels cheap”

Thickness5%

“Not too thick or super warm”

Durability4%

“not durable”

Stitch/Finish/Polish3%

“One set was not sewn properly”

Stretchability/Expandability/Elasticity2%

“also seem stretched in others”

Shrinkage Resistance2%

“it will shrink”

Machine Wash Suitability2%

“Shrinks in wash”

Top return reasons

  • Size-Overall50%
  • Length13%
  • Material Quality9%
  • Zipper Quality3%
  • Thin3%
  • Advertised Vs Actual Product2%
  • Sleeve Fit2%
  • Thigh Fit2%
  • Arm Fit2%
  • Value For Money2%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.65 median price · 2.2% median returns across 14,117 tracked niches.