Sleep Sacks 12-18 Months
FailThe products selling today already average 4.7★, so Sleep Sacks 12-18 Months is a Fail.
- Flapen Score
- 48 / 100Top 37% of 16,930 Clothing, Shoes & Jewelry niches · +3 vs the category median of 4548
- Market size
- $93K/yr132K searches / yr
- 90-day growth
- +16.4%search demand this quarter
- Competition
- 36%top-5 click share · 22 brands · 27 sellers
Flapen Score
Sleep Sacks 12-18 Months against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Sleep Sacks 12-18 Months is stronger. Inside it, weaker.
Market
The Sleep Sacks 12-18 Months market on Amazon at a glance
Shoppers on Amazon United States searched for Sleep Sacks 12-18 Months 132K times last year and spent an estimated $93K. The top 5 brands take 71% of clicks. Demand peaks in Mar–Apr. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 2.5% of those searches ended in a purchase.
Shoppers searched for this 132K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.5% of those searches ended in a purchase. Searches in the last 90 days moved +16.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.
- Searches, last 12 months
- 132K
- Growth, 90 days vs prior 90
- +16.4%
- Conversion, latest week
- 2.5%
- Market size, estimated
- $93Ka year
- Peak month
- March3.3× the quietest month
- Top search term
- sleep sacks 12-18 months34K searches a year
02 · Price
A sale here is worth $28.19.
Listings sell for $28.19 on average, from $12.24 to $75.79. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At $28.19 that is $0 to $3K a year per listing.
- Average price
- $28.19inside the $15 to $100 sweet spot
- Price range
- $12.24–$75.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 4.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.7% of listings are out of stock. The average listing ranks #423 within Baby Boys. It carries 2,329 reviews at 4.70 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 100%
- Out of stock, average day
- 0.7%
- Average rank
- #423in Baby Boys
- Average rating
- 4.70 starsAmazon United States average 4.42 stars
- Average reviews
- 2,329per listing
- Listings tracked
- 56
04 · Newcomers
6 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 9
- Successful launches
- 6Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Sleep Sacks 12-18 Months products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 6-12 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear M)
- Price
- $25.44
- Rating
- 4.7/5
- Reviews
- 278
- Age
- 2y ago

FIEMOL Baby Sleep Sack 12-18 Months 100% Cotton Sleeping Sack for Newborn and Infant 3 Pack Baby Wearable Blanket 0.5 Tog Lightweight Double Zipper Sleep Bag Cyan
- Price
- $22.82
- Rating
- 4.7/5
- Reviews
- 1,293
- Age
- 2y ago

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
- Price
- $22.58
- Rating
- 4.7/5
- Reviews
- 659
- Age
- 1y ago

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 (Glacier M)
- Price
- $26.06
- Rating
- 4.6/5
- Reviews
- 1,007
- Age
- 1y ago

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)
- Price
- $25.39
- Rating
- 4.6/5
- Reviews
- 1,007
- Age
- 3y ago
Trending
estimated 90-day click momentum
CUDDLEBAMBOO Bamboo Viscose 1.0 Tog Sleep Sack 6-12-18 Months Soft Breathable Baby Sleeping Bag Wearable Blanket Baby with 2-Way Zipper Sage
- Price
- $28.43
- Rating
- 4.6/5
- Reviews
- 47
- Age
- 9mo ago

2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 12-24 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear L)
- Price
- $26.69
- Rating
- 4.7/5
- Reviews
- 278
- Age
- 2y ago

2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 0-6 Months Easy to Wear Swaddles for Newborns Infants (Butterflies S)
- Price
- $25.72
- Rating
- 4.6/5
- Reviews
- 1,007
- Age
- 2y ago

2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 12-24 months Easy to Wear Newborn Swaddles Sleepsack (Roarsome L)
- Price
- $26.60
- Rating
- 4.7/5
- Reviews
- 278
- Age
- 2y ago

BubblePanda Rayon Made from Bamboo Sleep Sack 12-18 Months 0.5 Tog Soft Lightweight Toddler Sleep Sack 1t for Babies 2-Way Zipper Wearable Blanket Baby 12 Months
- Price
- $25.95
- Rating
- 4.6/5
- Reviews
- 844
- Age
- 2y ago
Newest
by launch date
CUDDLEBAMBOO Bamboo Viscose 1.0 Tog Sleep Sack 6-12-18 Months Soft Breathable Baby Sleeping Bag Wearable Blanket Baby with 2-Way Zipper Sage
- Price
- $28.43
- Rating
- 4.6/5
- Reviews
- 47
- Age
- 9mo ago

FIEMOL Baby Sleep Sack 12-18 Months 0.5 TOG Wearable Blanket for Baby Boy and Girl 2-Way Zipper Toddler Sleeping Bag 2 Pack Lightweight Sleep Sacks Blue WhaleLarge
- Price
- $14.41
- Rating
- 4.7/5
- Reviews
- 168
- Age
- 10mo ago

Looxii Baby Sleep Sack 0.5 TOG 100% Cotton 3 Pack Wearable Blanket Baby Sleep Bag for Newborn Infant 2-Way Zipper Lightweight Toddler Sleeping Sack 12-18 Months
- Price
- $24.69
- Rating
- 4.8/5
- Reviews
- 363
- Age
- 1y ago

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
- Price
- $22.58
- Rating
- 4.7/5
- Reviews
- 659
- Age
- 1y ago

FIEMOL Baby Sleep Sack 12-18 Months Long Sleeve Baby Wearable Blanket 0.5 Tog with Mittens 2-Way Zipper Toddler Cotton Sleeping Sack for Boy and Girl Green Dinosaur 2 Pack(Large)
- Price
- $23.69
- Rating
- 4.6/5
- Reviews
- 324
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 36% of clicks, no more. An open shelf where new products get seen.
Brands
22 rising
Sellers
27
Est. top-5 brand share
71%
Top 20: 99%
Est. top-5 click share
36%
Top 20: 72%
Open market
25%
- KeaBabies30%
- Okayinn13%
- FIEMOL12%
- Wrrernsin9%
- Yoofoss7%
- EasyFi4%
Demand
Sleep Sacks 12-18 Months search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr · busiest ÷ quietest = 3.3×
Search terms
Top Sleep Sacks 12-18 Months search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sleep sacks 12-18 months34K/yr
- keababies sleep sack19K/yr
- summer sleep sack 12-18 months6K/yr
- 0.5 tog sleep sack 12-18 months6K/yr
- 5 tog sleep sack 12-18 months5K/yr
- sleep sack 12-18 months 1.0 tog14K/yr
- sleepsack 12-18 months9K/yr
- kea babies sleep sack7K/yr
- cotton sleep sack 12-18 months7K/yr
- weighted sleep sack 12-18 months10K/yr
Reviews and returns
What reviews say buyers love and hate about Sleep Sacks 12-18 Months
We read the reviews and the return reasons for every product selling here.
“Way too wide”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sleep Sacks 12-18 Months questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









