He baby deedee Sleep Nest Teddy is a luxurious faux fur wearable blanket for babies and toddlers. Its comforting cocoon-like shape helps your child feel cozy and secure. Unique shoulder snap design enables you to place your sleeping baby in the sleep nest without waking her. Oversized and extra quiet, high-quality, reverse zipper for easy diaper changes. 100% soft high quality Sherpa material. Small is suitable for babies 0-6 months and 10-18 lb. Medium is suitable for babies 6-18 months and 16-26 lb. Large is suitable for babies 18-36 months and 25-35 lb.