18 month girl pajamas
Worth a lookShows a fragmented shelf (top 5 take 11% of clicks), but soft demand (-13.4% this quarter) keeps it on the watch list.
Competition
Incredible11%top-5 click share — an open shelf
Avg price
Great$20.99avg listing price — sweet spot $15–$100
Price range
Great$9.52–$43.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good70%top-5 brand share — brands hold most of the demand
Market size
Good$285K$285K/yr · 893K searches
Returns
Okay3.0%return rate — above 5% kills the launch gate
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad10,775.56avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-13.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 18 month girl pajamas is a $285K/yr Amazon United States market (893K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 50/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
18 month girl pajamas market data
- Units sold / yr
- 15K–20K
- avg 0–100/product
- Revenue / yr
- $315K–$420K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #126
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 8.5%
- Avg brand age
- 39 months
- Avg seller age
- 172 days
Competition & brand share
Clicks spread well past the top 5 (11% combined) — an open shelf where new products get seen.Brands
32 rising
Sellers
32
Top-5 brand share
70%
Top 20: 97%
Top-5 click share
11%
Top 20: 32%
Open market
27%
- Gerber25%
- Simple Joys by Carter's22%
- Amazon Essentials8%
- Carter's7%
- Onesies Brand7%
- Burt's Bees Baby5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.4% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 2.0×
Top 18 month girl pajamas search terms
- 12 month girl pajamas151K/yr
- 18 month girl pajamas123K/yr
- 18 month pajamas68K/yr
- 12-18 month girl pajamas68K/yr
- carters purely soft pajamas40K/yr
- baby girl pajamas 12-18 months41K/yr
- fleece baby pajamas101K/yr
- 12 month pajamas girl26K/yr
- 18 month pajamas girl28K/yr
- 18 months girl pajamas26K/yr
Top 18 month girl pajamas 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months
Amazon Essentials$15.954.4★675 rev
Gerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US
Gerber$37.324.6★6,737 rev
Simple Joys by Carters Baby Girls 3-Pack Snug Fit Footed Cotton Pajamas Sleepwear floral/turtle/swan 18 Months
Simple Joys by Carter's$25.404.7★38,559 rev
Simple Joys by Carters Baby Girls Loose-Fit Polyester Jersey Footed Pajamas Pack of 3 Dinosaur/Strawberry 18 Months
Simple Joys by Carter's$25.164.6★17,951 rev
Simple Joys by Carters Baby Toddler and Little Girls 6-Piece Snug-Fit Cotton Pajama Set
Simple Joys by Carter's$23.394.8★90,611 rev
Newest
by launch date
Disney Girls Frozen | Princess Minnie Mouse 6-piece Snug-fit Cotton Pajama Set Unicorn Dreams 18 Months US
Disney$23.933,731 rev
Simple Joys by Carters Baby Girls 3-Pack Snug Fit Footed Cotton Pajamas Sleepwear floral/turtle/swan 18 Months
Simple Joys by Carter's$25.4038,559 rev
Simple Joys by Carters Baby Girls Loose-Fit Polyester Jersey Footed Pajamas Pack of 3 Dinosaur/Strawberry 18 Months
Simple Joys by Carter's$25.1617,951 rev
Simple Joys by Carters Baby Toddler and Little Girls 6-Piece Snug-Fit Cotton Pajama Set
Simple Joys by Carter's$23.3990,611 rev
Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 12 Months
Simple Joys by Carter's$24.3917,951 rev
Trending
90-day click momentumGerber Baby Girls 4-pack Footed Pajamas And Toddler Sleepers Apple And Woodland Floral 12 Months US
Gerber$37.324.6★
Amazon Essentials Unisex_baby Tight Fit Cotton Footed Pajama (2 Pack) Little Bunnies/Sheep 12 Months
Amazon Essentials$15.954.4★
Modern Moments by Gerber Baby Girls Viscose Tight Fitting Pajamas Set Light Rose Strawberry 18 Months
Modern Moments by Gerber$23.654.7★
Simple Joys by Carters Baby Girls 3-Pack Loose Fit Flame Resistant Polyester Footed Pajamas Sleepwear giraffe/rainbow/floral 18 Months
Simple Joys by Carter's$24.844.6★
Simple Joys by Carters Baby 3-pack Snug-fit Footless Cotton Pajamas Ballerina/Moon/Bee 24 Months
Simple Joys by Carter's$26.314.8★
What buyers say about 18 month girl pajamas
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Nice and soft”
“Fit was accurate too”
“Very comfortable”
“Soft material”
“they provide adequate warmth”
“Colors are beautiful”
“Worth it”
“Cute designs”
“They are mostly lightweight however with really solidly sewn fabric”
What buyers complain about
“Run very small”
“Not well made”
“Cheap material”
“Zipper and material feels cheap”
“Not too thick or super warm”
“not durable”
“One set was not sewn properly”
“also seem stretched in others”
“it will shrink”
“Shrinks in wash”
Top return reasons
Common questions
- Is 18 month girl pajamas profitable to sell on Amazon United States?
- The niche generates $285K/yr across 211 tracked products. 56 of 86 products launched in the last 360 days are still selling. 90-day search growth is -13.4%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 18 month girl pajamas niche?
- 32 brands and 32 sellers compete. The top 5 products take 11% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in 18 month girl pajamas?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 3.0%.
- When does demand for 18 month girl pajamas peak?
- Demand peaks in Oct–Nov; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 18 month girl pajamas niche?
- Listings span $9.52–$43.39; the average listing price is $20.99 (sweet spot $15–$100). The average incumbent carries 10,776 reviews — the moat a new listing must climb.