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Your Baby's Snug Hug for Safe and Sound Sleep
Give your baby the gift of better sleep with the Swaddle Sleep Sack, the world's first 3D knit seamless swaddle. It provides the perfect blend of comfort, safety, and freedom, creating an ideal environment for serene and self-soothing sleep. As your child grows or starts to roll over, it easily transitions into a wearable blanket for increased movement, just leave their arms out to ensure safety and comfort. This feature makes the Swaddle Sleep Sack a thoughtful and practical gift for new parents.
Our Hug Technology® gently cradles your baby to self-soothe through Moro reflex and active sleep, encouraging a deep sense of calm. Designed in compliance with AAP guidelines, the Swaddelini ensures a secure fit around the chest and appropriate looseness around the hips for safe and comfortable infant care.
In this Swaddle Sleep Sack, your little one spends each night in comfort and safety, warmed by the echo of your caring embrace with the innovative design of Hug Technology®.
All orders are processed and shipped within a maximum of 2 to 5 business days. Please note that this is an estimated timeline and does not constitute a guarantee, as national holidays and other external factors may impact final delivery and shipping times.
🚚 Free Shipping and Discount Clarification
For qualifying orders of $100 or more, the maximum available discount applied to your order is $30.
Hug Technology gently holds your baby the way your arms would, easing the startle of the Moro reflex during active sleep. That steady, snug pressure helps little ones settle and self-soothe so everyone rests a little longer.
Designed in line with AAP guidance, the fit stays secure around the chest while leaving room around the hips to move freely. It gives you the reassurance of a proper, healthy swaddle without the fuss of folding fabric.
As your little one starts to roll, the swaddle transitions into a wearable blanket. Simply leave the arms out for safe, comfortable sleep, so one piece works across more than one stage.
A good swaddle should calm your baby while keeping sleep safe, so weigh these points before you buy.
- Fit and safety: Look for a snug chest and loose hips that follow safe sleep guidance. This lets the hips move naturally while keeping baby comfortably contained.
- Ease of use: Seamless slip-on styles save you from fumbling with wraps during middle-of-the-night changes. Simple designs are a gift when you are half asleep.
- Transition to rolling: Choose a swaddle that converts to arms-out once your baby starts to roll. That keeps you safe and stretches your investment across stages.
- Fabric and stretch: Gentle stretch gives that cradling feel while allowing room to breathe and move. Soft, breathable knits help avoid overheating.
- Sizing: Check your baby's weight and length against the size range and size up as they grow to keep the fit correct and comfortable.
- :
How does the Swaddle Sleep Sack help my baby sleep?
Its Hug Technology gently cradles your baby with soft, all-around pressure. This eases the startle of the Moro reflex during active sleep and helps babies settle and self-soothe.
Is it safe for my baby's hips?
Yes. It is designed to stay secure around the chest while leaving appropriate room around the hips, in line with AAP guidance for safe swaddling.
What happens when my baby starts to roll?
Once your baby begins rolling, transition it into a wearable blanket by leaving their arms out. This keeps sleep safe while allowing more movement.
How is this different from a traditional swaddle blanket?
It is a seamless 3D knit that slips on in one piece, so there is no wrapping, folding, or tucking. That makes nighttime changes simpler.
How do I pick the right size?
Compare your baby's current weight and length to the size range. If your baby is between sizes or growing quickly, size up for a proper, comfortable fit.
How does shipping and returns work?
We ship from a US warehouse with free US shipping on orders over $100, and we offer 30-day returns. Our human support team is here if you have questions.
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Smiling Face - Premium
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
