Classic Sleep Sack Details: Shoulder Closures: Snaps at shoulders: 1/shoulder for small, 2/shoulder for medium and large when babies are more mobile Zipper System: Sleeping bag style zipper that is open-ended like on a jacket. It runs from the right under arm and ends at the lower left corner with the zipper tab at the lower corner when done up Applique: Sleepy Sheepy Applique with satiny 'Tag Legs' to soothe little fingers No flame retardent finishes to irritate your baby's delicate skin Classic Sleep Sack Benefits: Only the bottom half needs to be opened to change the diapers, so less disturbance for the baby Allows the sleepsack to be opened fully and left in the crib and the baby is easily zipped in. It allows the bottom to be opened so the sleepsack can be folded over and used in a car seat Easy to Put On! Fully unzipped sleepsack - keep it in the crib, ready for sleep time! Sleepy Sheepy Applique: White fleece body, Black satin head, Black satin looped 'Tag Legs' (Current Applique: Heart, Moon or Star)