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SwaddleDesigns Cotton Muslin zzZipMe Sleeping Sack, Wearable Blanket with 2-Way Zipper, Black Hedgehog, Small, 0-6 Months

4.6 4.6 out of 5 stars 1,872 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Baby Wearable Blankets by SwaddleDesigns
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Typical price: $15.99

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Hedgehogs
Small (0-6 Month)
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Purchase options and add-ons

  • Cotton
  • Breathable, open weave cotton muslin wearable blanket replaces loose blankets for safer sleep.
  • Handy 2-way zipper for easy wearing and diaper changes.
  • TOG rating of 0.3, best for temperatures of 76-80 degrees F (the recommended sleep environment range).
  • Sizes: Small (0-6 Months, fits up to 28 inches), Medium (6-12 Months, fits up to 32 inches), Large (12-18 Months, fits up to 35 inches).
  • Coordinates with a variety of our quality baby essentials.
› See more product details

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SwaddleDesigns Cotton Muslin zzZipMe Sleeping Sack, Wearable Blanket with 2-Way Zipper, Black Hedgehog, Small, 0-6 Months
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Amazing Baby Cotton Muslin Sleeping Sack, For Baby Boy or Girl, Wearable Blanket with 2-way Zipper, Zebras, Black, Medium (6-
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SwaddleDesigns Cotton Muslin Sleeping Sack with 2-Way Zipper, Sterling Little Lambs, Medium 6-12 Months
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From the manufacturer

Cozy Cotton Muslin, Adorable Hand Drawn Prints

Soft Cotton Muslin

We use high quality cotton for all Hedgehog products to ensure softness and durability. These fabrics are best suited for use in moderate to warmer environments.

Swaddles Include Easy to Follow Guide

The adorable 123 Swaddle label shows how to swaddle in simple steps, and is a helpful reminder for new parents.

Available in Crib Sheets and Changing Pad Covers

Sheets and Changing Pad Covers made from 100% Cotton Muslin that gets softer with every wash.

Muslin Luxe and Snuggle Blankets

Wonderful as Playmats and even for snuggle time with older children.

Other Items Available in the Hedgehog Collection

Transitional Swaddle Sack

Many babies prefer to sleep with arms up and enjoy the supportive feeling of a traditional swaddle.

The Swaddle Sack is an innovative swaddle pod, sleeping sack featuring uniquely modified sleeves with foldover mitten cuffs to allow baby to have full access to hands to self-soothe and the swaddle snugness helps reduce the startle reflex.

Muslin Sleeping Sack

Our breathable, open weave, 100% cotton muslin zzZipMeSack is a wonderful option for warmer sleep environments.

Our handy 2-way zipper zips down from the top making it easy to place baby into sack and also zips up from the bottom making diaper changes easy.

Cotton Knit Sleeping Sack

Soft, combed 100% cotton knit is stretchy and lightweight. Our handy 2-way zipper zips down from the top making it easy to place baby into sack and also zips up from the bottom making diaper changes easy.

Tiny Hedgehog Gown & Hat

A newborn essential, our gowns feature foldover mitten cuffs, and an elastic opening at the feet, makes diaper changes easy. Soft 100% cotton knit.

Product Description

Surround your baby in pure softness. SwaddleDesigns 100% cotton premium muslin zzZipMe Sack is perfect when baby is ready to transition from swaddling. The breathable, soft open weave wearable blanket replaces loose blankets for safer sleep. Our SwaddleDesigns quality muslin with cheerful designs gets softer with every wash. The handy 2-way zipper zips down from the top making it easy to place baby into sack and also zips up from the bottom making diaper changes easy. Coordinates with a variety of our quality baby essentials.

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SwaddleDesigns Cotton Muslin zzZipMe Sleeping Sack, Wearable Blanket with 2-Way Zipper, Black Hedgehog, Small, 0-6 Months

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Price-7% $14.89
Typical: $15.99		$29.95$28.99$17.99$24.99$29.99
Delivery
Get it as soon as Sunday, May 5
—
Get it as soon as Sunday, May 5
Get it as soon as Sunday, May 5
Get it as soon as Sunday, May 5
Get it as soon as Sunday, May 5
Customer Ratings
4.64.6 out of 5 stars1,872
4.74.7 out of 5 stars368
4.84.8 out of 5 stars3,923
4.64.6 out of 5 stars3,560
4.84.8 out of 5 stars2,541
4.84.8 out of 5 stars20,725
Light weight
4.9
4.6
4.7
4.8
4.8
4.7
Softness
4.6
4.6
4.6
4.6
4.7
4.7
Comfort
4.6
—
4.3
4.6
4.7
4.7
Value for money
4.3
3.9
—
4.4
—
4.4
Sleep quality
—
—
4.7
—
4.8
4.7
Sold By
Amazon.com
Little Unicorn LLC
ruijia
Amazon.com
Mama Cheetah
aden + anais / HALO

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,872 global ratings

Customers say

Customers like the comfort, quality and appearance of the sleep sack. For example, they mention it's soft, cozy and the prints are adorable. They appreciate the two-way zipper and that it tucks away. Customers are also impressed with the weight, warmth, and value. That said, opinions are mixed on the fit.

AI-generated from the text of customer reviews

166 customers mention163 positive3 negative

Customers find the weight of the sleep sack to be super lightweight, perfect for warmer weather, and breathable. They also mention that the weaving is light and the fabric is comfortable.

"...She was 6 months when we bought it and 8 months now. It is lightweight for summer...." Read more

"...This sleep sack is super soft, cute and lightweight- perfect for warmer weather!" Read more

"...Muslin fabric is thin and breathable meaning the weaving is light so if snagged will pull or unravel so you do have to be somewhat gentle with..." Read more

"This is a great lightweight sleep sack for warmer weather, but it’s really small!..." Read more

133 customers mention128 positive5 negative

Customers like the warmth of the sleep sack. They say it's great for warm summer nights, and keeps their baby pretty warm. Some customers also say that it'll keep their baby cool yet snug.

"...It is lightweight for summer. She doesn't ever seem too hot or sweaty when I check on her or pick her up after sleeping." Read more

"This is the lightest tog I could find and so great for warm summer nights...." Read more

"...Our summers get really hot so it was perfect to keep our baby cool but still have the comfort of a sleep sack...." Read more

"This sleep sack is perfect to use in warmer weather and the double zipper is nice for quick diaper changes" Read more

130 customers mention110 positive20 negative

Customers like the quality of the sleep sack. They say it's made of good material, breathable, and holds up well. Customers also appreciate the reinforced edges and flawless zipper. They mention it makes for a nice sleep-sack for the warm months for little ones and that their baby sleeps well in it.

"Very soft and easy to take care of - makes for a nice sleep-sack for the warm months for little ones...." Read more

"...breathable pajamas with a sleeve he is so comfortable and sleeping longer stretches!" Read more

"Good material, breathable. Line all muslin, it shrinks a bit so size up!" Read more

"My baby loves these sleep sacks. They were a great transition from the swaddle." Read more

120 customers mention110 positive10 negative

Customers find the sleep sack soft, breathable, and cozy. They also say it gets softer with each wash and is lightweight for summer sleeping.

"It is SO cute and soft. Has a great fit. Easy to put on...." Read more

"I’m very happy with this purchase. This sleep sack is super soft, cute and lightweight- perfect for warmer weather!" Read more

"Very soft and easy to take care of - makes for a nice sleep-sack for the warm months for little ones...." Read more

"...matching hedgehog sleep sack knowing the material was lightweight and cozy...." Read more

97 customers mention72 positive25 negative

Customers like the zipper of the diaper. For example, they mention it tucks away and is easy to zipper. They also appreciate the double zipper design, which looks cute on baby.

"It is SO cute and soft. Has a great fit. Easy to put on. The zipper NEVER hits the side of the crib while she rolls or kicks around and so I don't..." Read more

"...The two-way zipper is very handy for midnight diaper changes and the sack made it easy to just pick him up and feed him without worrying about..." Read more

"...is much thinner than the aden and anais one we have but it has a two way zipper...." Read more

"...Only minor flaw is that there is no snap covering the zipper at the top of the sleep sack so she recently learned how to unzip it a bit!" Read more

88 customers mention84 positive4 negative

Customers like the appearance of the sleep sack. They mention that it has a cute design, and the prints are adorable. Some say that it's lightweight and durable, and is comparable to Halo sleep sacks.

"It is SO cute and soft. Has a great fit. Easy to put on...." Read more

"I’m very happy with this purchase. This sleep sack is super soft, cute and lightweight- perfect for warmer weather!" Read more

"...It feels semi scratchy at first but softens with washes and stays looking nice. I love the neutral color/design for sleeping...." Read more

"...Although they are thin, they have reinforced edges. They're nice and roomy, giving baby room to contort into adorable baby sleeping positions...." Read more

32 customers mention26 positive6 negative

Customers like the value of the sleep sack. They say it's comfortable, has great quality, and is a great buy.

"...The best part is that it's affordable." Read more

"...It's also thick enough to keep her warm. Worth the money. Wish they had more design options in her size 6-12months." Read more

"...The price is extremely reasonable. I like this sleep sack more than the Aden and Anais and that's saying so much. Will be buying more...." Read more

"...The sack is durable despite being a thinner material and a decent price, which is why I didn't give it an even lower rating." Read more

75 customers mention47 positive28 negative

Customers are mixed about the fit. Some mention the sizing was just as they expected, it's roomy, and makes their newborn feel snuggled. However, others say that it fits a little small, is tight around the torso and hips, and the armholes get snug as you get into the upper.

"...I thought it was so huge when I opened the package, but it fits our daughter perfectly. She was 6 months when we bought it and 8 months now...." Read more

"...The neck and arm holes are so small they fit great now, but at 6 months I feel like there’s no way!..." Read more

"...As baby grew into it, my only note regarding fit is that the armholes get snug as you get into the upper threshold of sizing...." Read more

"...But after washing it and trying it, it’s actually the perfect size. Would highly recommend...." Read more

Runs large compared to halo
4 Stars
Runs large compared to halo
We have used halo sleepsacks for two kids. The oldest chewed on the zipper and would eventually break the zipper that way (the plastic zippers might break in one use, the metal would take longer). One our youngest, we tried a couple of other brands that we got as gifts and have liked them both. The halo sleepsacks and the aden by aden + anais sleeping bag, jungle jive- elephant, Large 12-18 Months (1 Sleeping Bag) both zip from the top to the bottom. The SwaddleDesigns Cotton Muslin Sleeping Sack with 2-Way Zipper, Black Hedgehog with Gray Trim, Medium has two zippers and works in either direction. The sizing is also a little funny. Show in the picture is a an aiden and anias size small (pink hearts), a halo size medium (gray) and the swaddleme size medium (hedgehogs). I have to say, between the three the halo seems the warmest, followed by the aden. We have had no durability issues with the other two as some reviews say.
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Top reviews from the United States

Griffin
5.0 out of 5 stars True to size, fit, and comfort
Reviewed in the United States on June 8, 2022
Color: HedgehogsSize: Medium (6-12 Month)Verified Purchase
It is SO cute and soft. Has a great fit. Easy to put on. The zipper NEVER hits the side of the crib while she rolls or kicks around and so I don't have to listen to the clanking of the zipper on the wooden crib slats as she moves around in her crib like the Halo sleep sacks.
I thought it was so huge when I opened the package, but it fits our daughter perfectly. She was 6 months when we bought it and 8 months now. It is lightweight for summer. She doesn't ever seem too hot or sweaty when I check on her or pick her up after sleeping.
One person found this helpful
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Scott S.
5.0 out of 5 stars Good for warm weather
Reviewed in the United States on October 9, 2023
Color: Yellow GiraffesSize: Medium (6-12 Month)Verified Purchase
I’m very happy with this purchase. This sleep sack is super soft, cute and lightweight- perfect for warmer weather!
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Jen
5.0 out of 5 stars Great warm-weather sleep sack
Reviewed in the United States on November 25, 2023
Color: Yellow GiraffesSize: Large (12-18 Month)Verified Purchase
Very soft and easy to take care of - makes for a nice sleep-sack for the warm months for little ones. Washes well and holding up great, can't go wrong with this price as well. Highly recommend!
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Jessica
5.0 out of 5 stars Baby loves it, mama loves it. We all sleep!
Reviewed in the United States on July 31, 2018
Color: HedgehogsSize: Small (0-6 Month)Verified Purchase
We bought this Muslin sleep sack as our apartment has no a.c. and it has been a very hot summer. Baby boy loves to be swaddled or wrapped up in a blanket but our halo swaddle is too heavy and thick and the muslin blankets don't hold a swaddle well, and I wasn't going to drape a blanket over my newborn!!

We actually got a muslin blanket from this same company in our Amazon baby welcome box and LOVE it. We bought the matching hedgehog sleep sack knowing the material was lightweight and cozy. Our baby is 3 weeks old and weights probably about 9lbs, we bought the small and it has plenty of growing room for him, we won't have to buy another this summer.

We washed it as soon as we received it and used it that night (our room was 79°) and baby slept soundly. He likes his arms out so this design was perfect for him and he stayed cool with just a short sleeved onesie and the sack. The two-way zipper is very handy for midnight diaper changes and the sack made it easy to just pick him up and feed him without worrying about getting tangled in a blanket.

The reviews I read share a lot of concern with the material however after washing and thoroughly inspecting the seams and zipper I found no issues. The fabric does kind of bunch or wrinkle out of the dryer but I shook it out and smoothed it and it went back to being just fine. Muslin fabric is thin and breathable meaning the weaving is light so if snagged will pull or unravel so you do have to be somewhat gentle with it.

Overall we love it and will buy more for future babies and hot summers.
10 people found this helpful
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Jaykay
4.0 out of 5 stars Good for small babies
Reviewed in the United States on July 7, 2020
Color: Sterling GoodnightSize: Small (0-6 Month)Verified Purchase
This is a great lightweight sleep sack for warmer weather, but it’s really small! It says 0-6 months but my 2-month old totally fills it out and he’s only about 12lbs. The neck and arm holes are so small they fit great now, but at 6 months I feel like there’s no way! This was great because I needed a sleep sack for the newborn phase. We stopped swaddling early because he rolled so it was hard to find something that fit. So it’s great for small babies but I do not expect it to still fit a 6 months.
One person found this helpful
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Jennifer Susan Gabel
5.0 out of 5 stars Great for safe, hot sleeper
Reviewed in the United States on August 28, 2023
Color: Yellow GiraffesSize: Small (0-6 Month)Verified Purchase
Started my newborn with Halo sleep swaddle, but by week 2 he was sweating through them and busting his arms out. Found these Muslin sleep sacs and combined with breathable pajamas with a sleeve he is so comfortable and sleeping longer stretches!
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JS17
5.0 out of 5 stars Summer perfect
Reviewed in the United States on August 22, 2023
Color: HedgehogsSize: Large (12-18 Month)Verified Purchase
Once my little one no longer needed hands inside a swaddle bag, this did the trick. It took my first one longer to sleep with free hands, so heads up there. When I needed a summer transition swaddle, I chose the light weight star shaped off brand zip up.

This is light weight/breathable. It feels semi scratchy at first but softens with washes and stays looking nice. I love the neutral color/design for sleeping. I found this true to size even with a petite baby. Highly recommend!
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HH
5.0 out of 5 stars Light weight, size up!
Reviewed in the United States on September 13, 2023
Color: HedgehogsSize: Medium (6-12 Month)Verified Purchase
Good material, breathable. Line all muslin, it shrinks a bit so size up!
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Top reviews from other countries

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Teodoro Llaca
5.0 out of 5 stars Delgado y fresco
Reviewed in Mexico on July 21, 2023
Color: Pink ButterfliesSize: Small (0-6 Month)Verified Purchase
Es ideal para climas calurosos. Pueden dormir con pañalero o solo pañalito y este saco.
Es muy ligero, es de tela tipo lino muy suave o tipo tela de cielo.
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DS
5.0 out of 5 stars Excelente producto
Reviewed in Mexico on June 2, 2022
Color: Yellow GiraffesSize: Small (0-6 Month)Verified Purchase
Es excelente para los días calurosos y que el bebé no se quede destapado por la noche
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Aryx Orthian
5.0 out of 5 stars So cute!
Reviewed in Canada on August 31, 2021
Color: HedgehogsSize: Small (0-6 Month)Verified Purchase
Fit a bit smaller than anticipated, but it was precious while he used it. So soft, breathable fabric. Would buy again.
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Amazon Customer
5.0 out of 5 stars Well made
Reviewed in Canada on July 2, 2021
Color: HedgehogsSize: Large (12-18 Month)Verified Purchase
I really like this. I have some almost identical more expensive sleep sacks that I use with my son and I ordered this as a cheaper option to throw in his day care bag. I think I’ll order a few more for home.
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Anonymous
5.0 out of 5 stars Perfect fabric for baby who gets heat rashes
Reviewed in Canada on April 21, 2021
Color: HedgehogsSize: Medium (6-12 Month)Verified Purchase
Have been using this for my now 9 month old for the last three months. The fabric is perfect and not too heavy or thick, especially since my LO is prone to rashes if she gets too hot. Would definitely recommend.
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