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sleep sacks 12-18 months

Skip it47/100

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★

47/100

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.

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

Competition

30%KeaBabies
  • 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

Product shelf

All 56 tracked products in this niche.

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)

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

$25.444.7★278 reviews

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 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

$22.824.7★1,293 reviews

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 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

$22.584.7★659 reviews

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)

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

$26.064.6★1,007 reviews

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)

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★1,007 reviews

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

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

$26.344.6★1,884 reviews

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

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

$25.954.6★844 reviews

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 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

$27.364.8★1,705 reviews

Reviews

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

What buyers love

Soft Feel20%

“Crazy soft”

Sleep Quality13%

“Good purchase comfortable sleep”

Quality-Overall12%

“Great quality sleep sack”

Value For Money6%

“price is reasonable”

Comfort-Overall6%

“Amazingly soft and comfortable”

Size-Overall5%

“the overall fit feels secure”

Advertised Vs Actual Product3%

“its exactly how it shows in the photo”

Weight Light3%

“Its a good weight, breathable”

Warmth3%

“Great very soft keeping warm enough”

Zipper Quality2%

“zipper function is great”

What buyers complain about

Size-Overall19%

“Way too wide”

Zipper Quality7%

“Broken Zipper after 3-4ish months”

Thickness5%

“Thin fabric”

Material Quality5%

“cheap materials”

Durability3%

“broken after 2 months”

Velcro Quality3%

“Velcro is annoying”

Quality-Overall3%

“Buy Quality Not This Trash”

Sleep Quality2%

“Im not able to unzip the sleep sack”

Value For Money2%

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

Washability2%

“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%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.