Winter Sleep Sack 12-18 Months
FailDemand is soft, at -64.8% this quarter, so Winter Sleep Sack 12-18 Months is a Fail.
- Flapen Score
- 38 / 100Ranks 13,195 of 16,930 Clothing, Shoes & Jewelry niches · −7 vs the category median of 4538
- Market size
- $6K/yr26K searches / yr
- 90-day growth
- -64.8%search demand this quarter
- Competition
- 35%top-5 click share · 16 brands · 22 sellers
Flapen Score
Winter Sleep Sack 12-18 Months against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Winter Sleep Sack 12-18 Months is stronger. Inside it, weaker.
Market
The Winter Sleep Sack 12-18 Months market on Amazon at a glance
Shoppers on Amazon United States searched for Winter Sleep Sack 12-18 Months 26K times last year and spent an estimated $6K. The top 5 brands take 61% of clicks. Demand peaks in Sep–Oct–Nov–Dec. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.0% of those searches ended in a purchase.
Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.0% of those searches ended in a purchase. Searches in the last 90 days moved -64.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $6K a year.
- Searches, last 12 months
- 26K
- Growth, 90 days vs prior 90
- -64.8%
- Conversion, latest week
- 1.0%
- Market size, estimated
- $6Ka year
- Peak month
- October31.4× the quietest month
- Top search term
- warm sleep sack 12-18 months11K searches a year
02 · Price
A sale here is worth $24.77.
Listings sell for $24.77 on average, from $14.84 to $50.74. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $24.77 that is $0 to $2K a year per listing.
- Average price
- $24.77inside the $15 to $100 sweet spot
- Price range
- $14.84–$50.74
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 5.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 17.7% of listings are out of stock. The average listing ranks #813 within Baby Boys. It carries 1,148 reviews at 4.65 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 17.7%
- Average rank
- #813in Baby Boys
- Average rating
- 4.65 starsAmazon United States average 4.42 stars
- Average reviews
- 1,148per listing
- Listings tracked
- 26
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 39 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 39 months
Products
Top Winter Sleep Sack 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
Yoofoss Baby Sleep Sack 12-18 Months TOG 2.5 Winter Baby Wearable Blanket 100% Organic Cotton Toddler Sleeping Sack 2-Way Zipper Warm Quilted Sleep Sack
- Price
- $24.39
- Rating
- 4.6/5
- Reviews
- 1,764
- Age
- 2y ago

Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm
- Price
- $20.68
- Rating
- 4.4/5
- Reviews
- 334
- Age
- 1y ago

Looxii Baby Sleep Sack - 12-18 Months 2.5 TOG Wearable Blanket Cotton Quilted Toddler Sleeping Sack with 2-Way Zipper for Warm Winter
- Price
- $19.12
- Rating
- 4.6/5
- Reviews
- 210
- Age
- 1y ago

Hudson Baby Unisex Baby Plush Sleeping Bag Sack Blanket Gray Clouds 12-18 Months
- Price
- $15.34
- Rating
- 4.6/5
- Reviews
- 916
- Age
- 5y ago

BubblePanda Rayon Made from Bamboo Sleep Sack 12-18 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket
- Price
- $26.34
- Rating
- 4.6/5
- Reviews
- 1,884
- Age
- 2y 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

Supersoft Rayon Made from Bamboo Sleep Sack 12-18 Months 1.0 Tog Toddler Sleep Sack Baby Wearable Blanket with 2-Way Zipper Unisex Sleeping Bag for Babies All-year-around - Pink
- Price
- $22.27
- Rating
- 4.7/5
- Reviews
- 458
- Age
- 1y ago

Unnivoll Baby Sleep Sack 12-18 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Infant Toddler Blue
- Price
- $27.36
- Rating
- 4.8/5
- Reviews
- 1,705
- Age
- 2y ago

Yoofoss Fleece Baby Sleep Sack 12-18 Months with Plush Dots TOG 1.5 Baby W
- Price
- $24.46
- Rating
- 4.8/5
- Reviews
- 1,048
- Age
- 2y ago

Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm
- Price
- $20.68
- Rating
- 4.4/5
- Reviews
- 334
- Age
- 1y 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

Yoofoss Baby Sleep Sack 12-18 Months 1.0 Tog Long Sleeve Sleep Sack Organic Cotton Wearable Blanket for Toddlers 2-Way Zipper Quilted Sleeping Sacks(Large)
- Price
- $19.87
- Rating
- 4.7/5
- Reviews
- 455
- Age
- 11mo ago

Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm
- Price
- $20.68
- Rating
- 4.4/5
- Reviews
- 334
- Age
- 1y ago

Unnivoll Baby Sleep Sack 12-18 Months TOG 2.5 Winter Baby Wearable Blanket 100% Cotton Fabric Newborn Infant Sleeping Sack 2-Way Zipper Quilted Baby Sleep Bag Warm Soft Green
- Price
- $18.25
- Rating
- 4.7/5
- Reviews
- 448
- Age
- 1y ago

Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm
- Price
- $26.58
- Rating
- 4.4/5
- Reviews
- 334
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 35% of clicks, no more. An open shelf where new products get seen.
Brands
16 rising
Sellers
22
Est. top-5 brand share
61%
Top 20: 100%
Est. top-5 click share
35%
Top 20: 90%
Open market
33%
- Yoofoss30%
- Hudson Baby8%
- Looxii8%
- Unnivoll8%
- BubblePanda7%
- Okayinn6%
Demand
Winter Sleep Sack 12-18 Months search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 31.4×
Search terms
Top Winter Sleep Sack 12-18 Months search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- warm sleep sack 12-18 months11K/yr
- winter sleep sack 12-18 months12K/yr
- sleep sack 12-18 months winter3K/yr
Reviews and returns
What reviews say buyers love and hate about Winter Sleep Sack 12-18 Months
We read the reviews and the return reasons for every product selling here.
“Runs big”
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.
19 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 Winter Sleep Sack 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









