cotton Imported Enjoy the Night: When your baby is tightly wrapped in our swaddle sleep sack, it feels like sleeping in the arms of mom. The womb-like comfort reduces many babies' startle reactions and brings more rest time for parents Super Soft Baby Swaddle: The newborn swaddle is made of soft pure cotton fabric. The lightweight fabric can prevent overheating. It is breathable, soft and stretchy. Gllquen baby swaddle sack protects your baby to sleep peacefully Adjustable Fit: Compared with traditional baby blankets, Gllquen baby sleep sack has a loose neckline and adjustable tabs, which allows you to protect your baby from rolling around while keeping your baby safe and not strangling his neck Durable: The two-way stretch knit fabric prolongs the life of the sleep swaddle. It is machine washable and durable. It is recommended that the water temperature does not exceed 30? and tumble dry on low temperature Perfect Parenting Companion: Gllquen baby wearable swaddles can perfectly wrap the baby in just 3 steps, which is very friendly to new mothers. It is also a perfect baby shower, birthday or Christmas gift. Baby essential products for new parents