





Product description





Ultra-Soft & Breathable Fabric Crafted from 100% cotton, our baby sleep sacks are designed to be incredibly soft, lightweight, and breathable. The sleeveless design and TOG 0.5 ensure your baby stays cozy without overheating, making it perfect for year-round use. Machine washable for easy care, it’s a safe and comfortable choice for your little one’s delicate skin.
Convenient 2-Way Zipper for Hassle-Free Diaper Changes The smooth, double-direction zipper allows for quick and easy diaper changes, even in the middle of the night. Features an interior zipper guard and a top zipper cover to protect your baby’s sensitive skin from scratches or discomfort, ensuring safety and peace of mind for parents.
Roomy & Secure Fit for Active Sleepers Designed with spacious arm and neck openings, our sleep sack provides a perfect fit while allowing your baby to move freely. The leg room is carefully sized to prevent kicking off, keeping your baby warm and snug all night long. Its ergonomic design also supports healthy hip development.
3-Pack Value for Maximum Convenience This set includes three baby sleep sacks in versatile, gender-neutral colors, making it ideal for daily use or as a thoughtful baby registry gift. With three options, you’ll always have a clean and ready-to-wear sleep sack for bedtime or naps.
Essential Sleep Solution for Every Stage Our baby sleep sacks are perfect for everyday use, helping your little one enjoy longer, uninterrupted sleep. Available in four sizes to grow with your baby: S (0-6 months), M (6-12 months), L (12-18 months), and XL (18-24 months). A must-have for parents seeking comfort and safety for their baby’s sleep routine.
8 reviews for SWEET DOLPHIN Baby Sleep Sack 0-6 Months – 100% Cotton 2-Way Zipper TOG 0.5 Infant Wearable Blanket, Newborn Essentials Toddler 3 Pack Sleeping Sacks – Grey
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$16.99

mo –
Such a great price!
These baby sleep sacks are soft, cozy, and super safe for bedtime. They keep baby warm without overheating and make nighttime changes easy. Great quality, comfortable fit, and total peace of mind for parents—highly recommended!
Rebekah Colchin –
Great product!
I bought this for my 5 month old as we are going into cooler weather. I am happy with their quality of fabric and two way zipper, makes it easy for night diaper changes!They are really long but fit comfortably at the arms and neck area. He will definitely be able to wear these for the next 6 months!He now knows it is nap/sleepy time when I put him in this and sleeps great in it!Lightweight that he won’t get over heated but warm enough he won’t get chilled.
Ethan –
A daily use in our house with our little one
A great price for good quality. Have used these sleep sacks daily with my little one with no issues. Hold up well in the wash and are still soft to this day. Zips up easily and is simple to use. Keeps baby comfortable all night.
Nicole Malone –
Highly recommend
Great quality. Great for keeping baby warm without adding dangerous blankets to the crib. The fabric is soft and breathable. The gowns are stylish and made well. These are so nice to travel with as well. They are room but not too loose. I consider these a necessity.
Odalis –
Really Soft and Durable.
The Sweet Dolphin Sleeping Pack is soft, safe, easy to clean, and budget-friendly — truly an amazing find. It’s made from 100% cotton that feels gentle and smooth — perfect for my baby’s sensitive skin. The 2-way zipper is a thoughtful feature — it makes diaper changes at night so much easier. The sack also washes very well; even after multiple washes, it stays soft, holds its shape, and the zipper continues to glide smoothly. It’s clear that attention to detail was put into both the product and its packaging. Most importantly, my baby sleeps soundly and happily in it, which says it all!
Alia –
Great quality sleep sack – thick, soft, and cozy!
This is my second time ordering a sleep sack while searching for the best one for my baby, and so far, this one is the better option compared to the previous brand I tried. The material is excellent—thick, high-quality cotton that feels soft and breathable, perfect for cooler nights. It feels durable and well-made, which gives me peace of mind.The only reason I’m giving 4 stars instead of 5 is because the sizing runs a bit big, so it looks a little roomy on my baby right now. However, I actually don’t mind too much since it leaves room to grow, and she still sleeps comfortably in it.Overall, I’m very happy with this sleep sack and would definitely consider ordering again!
Jamie Ross –
Obsessed!
Obsessed with this sleep sack, I love the fabric, its thick soft and light weight at the same time. Love the color wave, texture, and zipper quality. It’s the perfect size and length and very durable. I’ve washed this more times than I can count and the quality has remained the same. 10/10 would recommend!
Johnelle goss –
Affordable Sleep Sack
Bought for our son and we all love it! Super lightweight and the material is so soft. The quality is better than most we have bought at around the same price range. The sizing is more of a 3-6 months in my opinion as it was quit big when our child was a newborn.