Cotton Material: Premium cotton.zero pollution.Health for your baby’s delicate skin. Sizes: 3 sizes for 0-6 years old toddler that be printed different cute animal pattern(elephant&giraffe). 3 Anvantages: *Two way zippers from top and bottom for easy dressing and quick diaper changes. *Separate legs Design that baby can stretch freely.*Removable sleeves makes it fit for different room temperture. High Quality Craft: Clean thread & straight sewing lines & tight buttons prevent possible scratching as well as keep warm. Occasions: Baby can walk around in this wearable blanket when awake and feet can be put inside the loose fit sleeping sack during sleep time.