Skip to content

18 Month Pajamas

soft demand (-17.0% this quarter) — 18 Month Pajamas doesn't clear our bar today.

Flapen Score

47
Skip it

Top 41% of 16,930 Clothing, Shoes & Jewelry niches · +2 vs the category median of 45

Market size 29Growth 17Conversion 23Competition 98Returns 52Price range 82Avg price 93Brand share 63Review moat 21Quality gap 24
This niche Category average · 16,930 niches

Is 18 Month Pajamas profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 18 Month Pajamas is a $127K/yr Amazon United States market (305K searches/yr). The top 5 brands hold 67% of demand. Verdict: Skip it — 47/100.

18 Month Pajamas: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -17.0% over the last 90 days and 1.9% of searches end in a purchase.

$127K

revenue / yr

Units sold / yr10K
Search volume / yr-17.0%305K
Conversion rate1.9%
Avg price$22.18

Who owns the niche?

The top 5 brands hold 67% of demand, so 33% of the market is open.

33%

open market share

Brands · sellers34 · 32
Top-5 product click share9%
Open market33%
Avg brand age37 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 257 products

Sponsored placement90%
New entrants (1y)90· 57 succeeded
Avg rating4.6★
Avg reviews12,165

Top 18 Month Pajamas 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 (9% combined) — an open shelf where new products get seen.

$0$1K$3K$4K$5K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

34 rising

Sellers

32

Top-5 brand share

67%

Top 20: 95%

Top-5 click share

9%

Top 20: 27%

Open market

32%

  • Gerber25%
  • Simple Joys by Carter's22%
  • Amazon Essentials7%
  • Burt's Bees Baby6%
  • Onesies Brand5%
  • little planet by carter's4%

18 Month Pajamas demand & seasonality

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

Volume305KCVR1.9%Products257Brands34Top 5 Brands67%OOS Rate7.3%Rating4.6★Reviews12,165Avg BSR#173
8K6KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top 18 Month Pajamas search terms shoppers use

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

  • 18 month pajamas68K/yr
  • 24 month pajamas boys74K/yr
  • 24 month boy pajamas30K/yr
  • 18 month sleepers26K/yr
  • 18 month old pajamas11K/yr
  • 18 month pjs13K/yr
  • 12-18 month sleepers11K/yr
  • 18m pajamas10K/yr
  • baby pajamas 18 months7K/yr
  • carters 18 month pajamas7K/yr

What reviews say buyers love and hate about 18 Month Pajamas

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

What buyers love

69% of reviews
Soft Feel15%

Really soft

Size-Overall14%

Fit well

Quality-Overall11%

Great quality as usual from Carter

Comfort-Overall8%

Very comfortable

Material Quality4%

Great Material

What buyers complain about

55% of reviews
Size-Overall21%

Too big

Quality-Overall7%

Poor quality, runs way smaller than everything else from the brand

Material Quality5%

The material felt cheap

Zipper Quality5%

Broken zipper

Thickness4%

These were a lot thinner than I expected

18 Month Pajamas return rate & reasons

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

2.9%

Return rate

71%

Fixable by listing

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

1Size-Overall
53%
2Length
11%
3Material Quality
7%
4Zipper Quality
3%
5Advertised Vs Actual Product
3%

Common 18 Month Pajamas questions

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

Flapen scores 18 Month Pajamas 47/100 on Amazon United States — Skip it. The niche generates $127K/yr across 257 tracked products. 57 of 90 products launched in the last 360 days are still selling. Search demand moved -17.0% over the last 90 days.
Search demand for 18 Month Pajamas on Amazon United States is steady year-round — the busiest month runs 1.5× the quietest.