The knitted structure can better fit the baby's body.
* Machine wash, tumble dry with no heat* Imported 100% Cotton Colorful Heart Print Baby Sleeping Bags / Swaddling Blanket / Pillow.6*13inchSleeping bag: suitable for 0-6 monthsSwaddle: 75*85cm/29.4inch* Safe for baby's sensitive skin. May promote deep, restful sleep while protecting against overheating.