sleep sack 18-24 months
Worth a lookShows a sweet-spot price point ($28.45 avg), but soft demand (-11.2% this quarter) keeps it on the watch list.
Avg price
Incredible$28.45avg listing price — sweet spot $15–$100
Price range
Incredible$16.57–$53.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$882K$882K/yr · 1.1M searches
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Brand share
Good70%top-5 brand share — brands hold most of the demand
Review moat
Okay2,379.07avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Returns
Okay4.3%return rate — above 5% kills the launch gate
Growth
Bad-11.2%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, sleep sack 18-24 months is a $882K/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
sleep sack 18-24 months market data
- Units sold / yr
- 25K–30K
- avg 500–750/product
- Revenue / yr
- $711K–$854K
- units × avg price
- Conversion rate
- 2.7%
- Avg BSR
- #249
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 1.9%
- Avg brand age
- 44 months
- Avg seller age
- 132 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
19 falling
Sellers
24
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
43%
Top 20: 79%
Open market
25%
- Okayinn35%
- FIEMOL12%
- Yoofoss9%
- HALO8%
- BubblePanda5%
- Unnivoll4%
Top sleep sack 18-24 months search terms
- sleep sack 18-24 months308K/yr
- toddler sleep sacks240K/yr
- toddler sleep sack101K/yr
- sleep sack 2t105K/yr
- 2t sleep sack toddler61K/yr
- sleep sack toddler39K/yr
- 18 month sleep sack35K/yr
- 2t sleep sack34K/yr
- summer sleep sack 18-24 months10K/yr
- 24 month sleep sack28K/yr
Top sleep sack 18-24 months 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
BubblePanda Rayon Made from Bamboo Sleep Sack 2t-3t 1.0 Tog Soft Toddler Sleeping Sack 24-36 Months for Babies 2-Way Zipper Baby Wearable Blanket
Okayinn$26.164.6★1,884 rev
FIEMOL Baby Sleep Sack 18-24 Months 100% Cotton Sleeping Sack for Newborn and Infant 3 Pack Baby Wearable Blanket 0.5 Tog Lightweight Double Zipper Sleep Bag Cyan
FIEMOL$23.624.7★1,293 rev
BubblePanda Rayon Made from Bamboo Sleep Sack 18-24 Months 1.0 Tog Soft Toddler Sleeping Sack 2t for Babies 2-Way Zipper Baby Wearable Blanket
Okayinn$26.194.6★1,884 rev
BubblePanda Rayon Made from Bamboo Sleep Sack 2t-3t 0.5 Tog Soft Lightweight Toddler Sleep Sack 24-36 Months for Babies 2-Way Zipper Wearable Blanket Baby 3t
Okayinn$25.534.6★844 rev
Yoofoss Baby Sleep Sack 18-24 Months Baby Wearable Blanket 100% Organic Cotton 2-Way Zipper TOG 0.5 Toddler Sleeping Sack Lightweight
Yoofoss$28.534.8★7,866 rev
Newest
by launch date
FIEMOL Toddler Sleep Sack with Feet 2-3T 0.5 Tog Sleep Sack with Legs Toddler Wearable Blanket with Feet Cotton Walker Sleep Sack 2-Way Zipper Pink Rainbow
FIEMOL$22.5390 rev
Wrrernsin 3 Pack Baby Sleep Sack 18-24 Months 100% Cotton TOG 0.5 Baby Sleeping Bag 2-Way Zipper Toddler Wearable Blankets Comfy Stretchy Summer Sleep Sacks
Wrrernsin$25.40659 rev
Wrrernsin Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Cotton TOG 0.5 2-Way Zipper Newborn Sleeping Bag 3 Pack Comfy Lightweight Sleep Sacks for Babies
Wrrernsin$22.58659 rev
Yoofoss Toddler Sleep Sack with Feet 24-36 Months 100% Organic Cotton Baby Sleep Sack with Legs Toddler Wearable Blanket with 2-Way Zipper
Yoofoss$22.96255 rev
HALO SleepSack 100% Cotton Wearable Blanket Swaddle Transition Sleeping Bag TOG 0.5 Sage Woodland X-Large 18-24 Months
HALO$34.6123,463 rev
Trending
90-day click momentumFIEMOL Toddler Sleep Sack with Feet 2-3T 0.5 Tog Sleep Sack with Legs Toddler Wearable Blanket with Feet Cotton Walker Sleep Sack 2-Way Zipper Pink Rainbow
FIEMOL$22.534.9★
2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)
KeaBabies$25.394.6★
PurComfy Supersoft Sleep Sack 1.0 TOG Premium Bamboo Viscose Baby Sleeping Bag 2-Way Safe Zipper Sleep Sacks 15-24 Months (Whale)
PurComfy$32.854.6★
BubblePanda Rayon Made from Bamboo Sleep Sack 2t-3t 0.5 Tog Soft Lightweight Toddler Sleep Sack 24-36 Months for Babies 2-Way Zipper Wearable Blanket Baby 3t
Okayinn$25.534.6★
Wrrernsin 3 Pack Baby Sleep Sack 18-24 Months 100% Cotton TOG 0.5 Baby Sleeping Bag 2-Way Zipper Toddler Wearable Blankets Comfy Stretchy Summer Sleep Sacks
Wrrernsin$25.404.7★
What buyers say about sleep sack 18-24 months
What buyers praise and complain about, mined from review topics.What buyers love
“Material is very soft”
“It really helps our baby sleep well”
“Amazing quality”
“Very comfortable”
“Sizing is accurate”
“Worth it”
“Perfect weight for the summer months”
“The zipper is very smooth”
“It has a good thickness”
“As advertised”
What buyers complain about
“poor fit”
“zipper broke after a couple months”
“The material felt cheap”
“broken after 2 months”
“Definitely not worth the price”
“Item was thicker than expected”
“long drying times”
“I have bypassed buying this sleep thing for so long”
“its too narrow”
“Poor Quality”
Top return reasons
Common questions
- Is sleep sack 18-24 months profitable to sell on Amazon United States?
- The niche generates $882K/yr across 42 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -11.2%. Flapen's verdict: Worth a look (51/100).
- How competitive is the sleep sack 18-24 months niche?
- 19 brands and 24 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in sleep sack 18-24 months?
- Top complaints mined from reviews: Size-Overall, Zipper Quality, Material Quality. The return rate is 4.3%.
- What does it cost to enter the sleep sack 18-24 months niche?
- Listings span $16.57–$53.82; the average listing price is $28.45 (sweet spot $15–$100). The average incumbent carries 2,379 reviews — the moat a new listing must climb.