Sozzy Ultimate Vent Sleep System/ New Born Baby Prevent Flat Head Fixed Positioner The Ultimate Vent Sleep System combines the benefits of a crib wedge and a vented sleep positioner to provide your baby with a comfortable and firm night's rest. The crib wedge is designed to help digestion and ease breathing and the air vent bumpers help keep your little one cool and snug. Mesh material is soft to the touch and also allows air to pass through to help reduce the risk of overheating, making a cosy