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Baby Sleep Sack 6-12 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Newborn Infant Blue

Free shipping on orders over $29.99

$27.99

$ 14 .99 $14.99

In Stock

1.Color:Beige


2.:Small


About this item

  • ‎100% Cotton
  • Imported
  • SAFETY COMES FIRST-Made from high-quality cotton and superior zipper, Unnivoll baby sleep sack is certified to meet Consumer Product Safety Commission (CPSC) guidelines, eliminate all potential risks and provide a safe sleeping environment for your little one.
  • UPGRADED PROCESS-Compared with ordinary one, our 100% combed cotton sleep sack brings 30% optimization in both comfort and breathability. Pre-washing technology effectively reduces the shrinkage rate by 50%, which ensures the baby sleeping bag can be machine washed and dried at low temperatures without distorting. We care not only for babies, but also for busy parents!
  • EASY DIAPERING-2 way zipper runs from the top to the bottom, making the lightweight sleep sack much convenient to change diapers without any interruption, especially during midnight. Equipped with zippe guard prevent rubbing on your baby's sensitive skin and protects baby's chin. Tog rating 0.5, making it perfect for nursery room temperature 75°F above.
  • UNIQUE PATTERN-The 3 pack summer sleep sack printed with sky elements such as rainbow, star and planet, which can promote baby's brain and visual development. Multiple studies have shown that green, blue, and pink can relax and help babies fall asleep faster. We always design on the perspective of yours!
  • ACCOMPANY BABY'S GROWTH-Four size options available for your choice, fits baby 0-6 months, 6-12 months, 12-18 months, 18-24 months. Unnivoll sleep sack is essential for everyday use, keep your baby cozy and sleeping peacefully!



Product Description

baby sleep sack

let's make it happen together!

baby sleepsack
baby sleep sack

4 Unique Design for Perfect Sleeping

baby sleep sack

Eliminate Potential Risks & Provide A Safe Sleeping Environment For Little One

baby sleep sack

Unique Pattern Promote Baby's Brain And Visual Development

baby sleep sack

Sarah R.
2025-07-09 17:02:14
I am very pleased with the Unnivoll Baby Sleep Sack 3 pack! The sleep sacks are true to size, incredibly soft, and so comfortable for my little one. The cute designs are just a cherry on top. My 9-month-old sleeps like a rock, and I truly believe these sleep sacks have contributed to that. Plus, the double zipper makes night time diaper changes a breeze. Highly recommend these for any parent looking for quality and convenience in their baby’s sleepwear! By baby is outgrowing his and we are definitely buying the next size for him to be able to continue to wear these to bed!
Courtney
2025-06-16 15:12:55
I bought these sleep sacks for my now 9 month old son. I waited until I had them for a month to write a review. I have had zero issues with them. The zippers are great, they hold up in the washer and dryer, and the colors stay vibrant! The only problem there has been was they did shrink 1 1/2 to 2 inches after being washed and dried. See pictures. This wasn't a problem for me because I have a little guy. For reference he is 9 months old, just now getting into 6/9 month clothing, he is 18.4 pounds and 21 1/2 inches long. I bought the 6/12 month sacks. They are pretty big on him but not to where they are a safety hazard. He absolutely loves them and uses them every night! They are a bit on the thinner side which I prefer. We live in Texas and it is super hot right now. He sleeps in these and a onesie with the AC on, and he is very comfortable. I highly recommend these sleep sacks for the quality and price!
Kelsey
2025-04-12 14:58:11
I got the 3 pack of the mocha brown moon themed ones. They’re so freaking cute!! They’re super nice, so soft, and roomy! But they shrunk up in the dryer.. about 4-5 inches shorter. So DONT DRY THEM!! Just hang them after washing in COLD WATER!! I recommend buying a size up, even if they look too big. Because they will shrink over time regardless. They’re 100% cotton so shrinking is to be expected, but they’re beautiful and super soft! Very nice quality!! Exactly like pics and very big if you don’t dry them. I got the 6-12 months for my 5 month old and she’s a preemie so she’s on the smaller side and they fit perfectly!! Even after shrinking she still has a good 4-5 inches to grow!!
Sarah
2025-03-31 13:43:35
Newborn hates swaddling and would scream if her arms were constricted. These are perfect and comfortable for layering ontop of footed pajamas, easy to use/clean, colors are cute, and keeps baby warm enough through the night to get some good sleep! They should fit her for a little while too as she grows, so good bang for your buck!
Monique Butler
2025-03-27 17:50:33
Long sleeping bags, nice material, soft, lightweight, but not too thin.
Amanda
2025-03-16 17:51:04
These sleep sacks are great! They're comfortable, wash well, and are easy to get on the baby. I love that there's a double zipper, which makes middle of the night diaper changes easy. Baby stays at a comfortable temperature wearing a sleep sack and a long sleeve/footed pajama, and the sleep sack moves with her easily when she moves and rolls around during her sleep (which is a lot!)
Lindsey S.
2025-03-07 14:24:50
This 3 pack was an awesome deal! You can find these at a variety of different price points. However, this particular set is a great price for the great quality of the sleep sacks. They are light weight, don’t fade in the wash, and I have had zero issues with the zipper. Bonus: super cute patterns!
Charmaine
2025-02-16 11:11:01
I love this sleep sack! So easy to use! There are two Zippers which is a plus for me. The bottom zipper makes it easy during diaper changing times during the night! I don’t have to worry about my baby kicking off blankets or getting unraveled in his swaddle. What I also love is the comfort and how smooth it is for baby.One thing I do wish is if it was just a little more snug for baby. To mimic as if he is being held.
Siddharth Giridhar
2025-02-14 11:08:43
The quality of the fabric is very good. The material is soft and breathable! I highly recommend this brand.
Maureen Gaudreau
2025-01-13 10:55:28
Very soft and love the colors. Good quality
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