Sassy Ultimate Vent Sleep System

Enjoy the advantages of a crib wedge combined with a vented sleep positioner. Cradles baby comfortably for back sleeping position only. Crib wedge elevates baby's head to help ease breathing and enhance digestion, while air vent bumpers provide unobstructed air flow to help eliminate over-hearing. Fully adjustable to use as baby grows and bumpers conform to baby's natural shape. Machine washable. Appropriate from birth to 4 months.