---
title: "sleep sacks 12-18 months — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/sleep-sacks-12-18-months"
last_updated: "2026-07-09T22:54:50.607Z"
locale: en
meta:
  description: "a small market ($93K/yr) — sleep sacks 12-18 months doesn't clear our bar today."
  "og:description": "a small market ($93K/yr) — sleep sacks 12-18 months doesn't clear our bar today."
  "og:title": "sleep sacks 12-18 months — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
---

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# **sleep sacks 12-18 months**

**Skip it****47/100 **

a small market ($93K/yr) — sleep sacks 12-18 months doesn't clear our bar today.

**Market/yr**

**$93K**

**Growth (1y)**

**+165.9%**

**Products**

**56**

**Brands**

**22**

was 13 a year ago

**Sellers**

**27**

**Price range**

**$12.24–$75.79**

**Returns**

**4.1%**

**Rating**

**4.7★**

**Skip it**

Scored 47/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**5**

 ×0.30

Growth

**73**

 ×0.30

Competition

**78**

 ×0.20

Quality gap

**20**

 ×0.10

Returns

**67**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 75 weeks — +165.9% year over year.

4K2KSpike '25Spike '26Feb '25Apr '25Jul '25Oct '25Jan '26Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Mar, Apr · busiest ÷ quietest = 3.3×

## **Competition**

- KeaBabies30% - Okayinn13% - FIEMOL12% - Wrrernsin9% - Yoofoss7% - EasyFi4% - Other (16 brands)25%

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen. 22 brands and 27 sellers compete here.

**Brands**

**22 **▲rising

was 13 a year ago

**Sellers**

**27**

**Top 5 brand share**

**71%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![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)](https://m.media-amazon.com/images/I/41LXGR9ApGL.jpg) [**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)**](https://www.amazon.com/dp/B0CQT7WSR5)

KeaBabies$25.444.7★2788%—flat

2
![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](https://m.media-amazon.com/images/I/31Bota-v2yL.jpg) [**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**](https://www.amazon.com/dp/B0CQLX5DR4)

FIEMOL$22.824.7★1,2937%▼falling

3
![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](https://m.media-amazon.com/images/I/31InVyQQ6GL.jpg) [**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**](https://www.amazon.com/dp/B0F2DSXHQF)

Wrrernsin$22.584.7★6597%▲rising

4
![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)](https://m.media-amazon.com/images/I/31e9wD7orWL.jpg) [**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)**](https://www.amazon.com/dp/B0D9JQDX3T)

KeaBabies$26.064.6★1,0077%▲rising

5
![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)](https://m.media-amazon.com/images/I/41GrdyQaBUL.jpg) [**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)**](https://www.amazon.com/dp/B0C5HQ26P2)

KeaBabies$25.394.6★1,0077%▲rising

6
![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](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg) [**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**](https://www.amazon.com/dp/B0CMTFR8SM)

Okayinn$26.344.6★1,8845%▼falling

7
![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](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg) [**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**](https://www.amazon.com/dp/B0CMTGVP9K)

Okayinn$25.954.6★8445%▲rising

8
![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](https://m.media-amazon.com/images/I/51GtdXYreGL.jpg) [**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**](https://www.amazon.com/dp/B0CD7V9PFS)

Unnivoll$27.364.8★1,7053%—flat

9
![Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Organic Cotton 2-Way Zipper TOG 0.5 Toddler Sleeping Sack 3 Pack Comfy Soft Lightweight](https://m.media-amazon.com/images/I/51Hx5k4iFwL.jpg) [**Yoofoss Baby Sleep Sack 12-18 Months Baby Wearable Blanket 100% Organic Cotton 2-Way Zipper TOG 0.5 Toddler Sleeping Sack 3 Pack Comfy Soft Lightweight**](https://www.amazon.com/dp/B0BMLVL725)

Yoofoss$28.604.8★7,8662%▼falling

10

![BSTOPPT 3 Pack Baby Sleep Sack 12-18 Months 100% Rayon Cotton Baby Sleeping Bag 2-Way Zipper Toddler Wearable Blankets Comfy Stretchy Lightweight TOG 0.3 Heart&Pink&Floral](https://m.media-amazon.com/images/I/51EKJHQfCxL.jpg) [**BSTOPPT 3 Pack Baby Sleep Sack 12-18 Months 100% Rayon Cotton Baby Sleeping Bag 2-Way Zipper Toddler Wearable Blankets Comfy Stretchy Lightweight TOG 0.3 Heart&Pink&Floral**](https://www.amazon.com/dp/B0CL4ZT1DN)

BSTOPPT$21.184.8★1,4172%▼falling

11

![Yoofoss Baby Sleep Sack 12-18 Months 0.5 Tog Wearable Blanket for Baby 3 Pack 100% Organic Cotton Infant Toddler Sleeping Sack 2-Way Zipper Lightweight Sleep Sack](https://m.media-amazon.com/images/I/51K5pQ3YagL.jpg) [**Yoofoss Baby Sleep Sack 12-18 Months 0.5 Tog Wearable Blanket for Baby 3 Pack 100% Organic Cotton Infant Toddler Sleeping Sack 2-Way Zipper Lightweight Sleep Sack**](https://www.amazon.com/dp/B0DD7LHJTB)

Yoofoss$26.044.8★6502%▼falling

12

![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)](https://m.media-amazon.com/images/I/41UXBB-CJJL.jpg) [**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)**](https://www.amazon.com/dp/B0CVXBJ4Q4)

KeaBabies$25.724.6★1,0072%▲rising

13

![HALO SleepSack SuperSoft Wearable Blanket Viscose Made From Bamboo Sleeping Bag for Babies 1.5 TOG 12 18 Months Large Blue Fog](https://m.media-amazon.com/images/I/31R4rt+PDCL.jpg) [**HALO SleepSack SuperSoft Wearable Blanket Viscose Made From Bamboo Sleeping Bag for Babies 1.5 TOG 12 18 Months Large Blue Fog**](https://www.amazon.com/dp/B0CPNJJ1GZ)

HALO$44.234.8★1,3802%▼falling

14

![KeaBabies 3-Pack Organic Baby Swaddles for Newborns Infant (Nordic 0-3M)](https://m.media-amazon.com/images/I/51XvusXgLIL.jpg) [**KeaBabies 3-Pack Organic Baby Swaddles for Newborns Infant (Nordic 0-3M)**](https://www.amazon.com/dp/B08MDYFTS1)

KeaBabies$24.444.5★9,1462%—flat

15

![PurComfy Supersoft Sleep Sack 1.0 TOG Premium Bamboo Viscose Baby Sleeping Bag 2-Way Safe Zipper Sleep Sacks 6-15 Months (Whale)](https://m.media-amazon.com/images/I/31MWHwljX3L.jpg) [**PurComfy Supersoft Sleep Sack 1.0 TOG Premium Bamboo Viscose Baby Sleeping Bag 2-Way Safe Zipper Sleep Sacks 6-15 Months (Whale)**](https://www.amazon.com/dp/B0CJFKVQFQ)

PurComfy$33.064.6★2,3212%▼falling

**~~Showing 15 of 56 — show all ~~**

## **Product shelf**

All 56 tracked products in this niche.

Top sellersNewestTrending

[![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)](https://m.media-amazon.com/images/I/41LXGR9ApGL.jpg)**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)** KeaBabies**$25.44**4.7★278 reviews](https://www.amazon.com/dp/B0CQT7WSR5) [![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](https://m.media-amazon.com/images/I/31Bota-v2yL.jpg)**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** FIEMOL**$22.82**4.7★1,293 reviews](https://www.amazon.com/dp/B0CQLX5DR4) [![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](https://m.media-amazon.com/images/I/31InVyQQ6GL.jpg)**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**$22.58**4.7★659 reviews](https://www.amazon.com/dp/B0F2DSXHQF) [![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)](https://m.media-amazon.com/images/I/31e9wD7orWL.jpg)**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)** KeaBabies**$26.06**4.6★1,007 reviews](https://www.amazon.com/dp/B0D9JQDX3T) [![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)](https://m.media-amazon.com/images/I/41GrdyQaBUL.jpg)**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**$25.39**4.6★1,007 reviews](https://www.amazon.com/dp/B0C5HQ26P2) [![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](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg)**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** Okayinn**$26.34**4.6★1,884 reviews](https://www.amazon.com/dp/B0CMTFR8SM) [![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](https://m.media-amazon.com/images/I/21KSPHs3h4L.jpg)**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** Okayinn**$25.95**4.6★844 reviews](https://www.amazon.com/dp/B0CMTGVP9K) [![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](https://m.media-amazon.com/images/I/51GtdXYreGL.jpg)**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** Unnivoll**$27.36**4.8★1,705 reviews](https://www.amazon.com/dp/B0CD7V9PFS)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Soft Feel**20%

*“Crazy soft”*

**Sleep Quality**13%

*“Good purchase comfortable sleep”*

**Quality-Overall**12%

*“Great quality sleep sack”*

**Value For Money**6%

*“price is reasonable”*

**Comfort-Overall**6%

*“Amazingly soft and comfortable”*

**Size-Overall**5%

*“the overall fit feels secure”*

**Advertised Vs Actual Product**3%

*“its exactly how it shows in the photo”*

**Weight Light**3%

*“Its a good weight, breathable”*

**Warmth**3%

*“Great very soft keeping warm enough”*

**Zipper Quality**2%

*“zipper function is great”*

### **What buyers complain about **

**Size-Overall**19%

*“Way too wide”*

**Zipper Quality**7%

*“Broken Zipper after 3-4ish months”*

**Thickness**5%

*“Thin fabric”*

**Material Quality**5%

*“cheap materials”*

**Durability**3%

*“broken after 2 months”*

**Velcro Quality**3%

*“Velcro is annoying”*

**Quality-Overall**3%

*“Buy Quality Not This Trash”*

**Sleep Quality**2%

*“Im not able to unzip the sleep sack”*

**Value For Money**2%

*“Ill be looking at the more expensive options in hopes for a better product”*

**Washability**2%

*“Bought two both couldnt last through one gentle wash cycle without ripping”*

#### **Top return reasons**- Size-Overall58% - Material Quality5% - Thin4% - Advertised Vs Actual Product3% - Zipper Quality3% - Thickness3% - Width2% - Length2% - Value For Money2% - Warmth2%