The Sealy SecureStay Waterproof Crib Mattress Pad cover creates a cozy and comfortable sleeping environment for infants and toddlers and offers superior absorbency to help keep baby dry. Hypoallergenic quilted fill provides comfort and softness while a 100% waterproof barrier protects baby s mattress from leaky messes. A SecureStay full fitted stretch skirt helps keep the pad snuggly in place and provides a secure fit on crib mattresses and toddler bed mattresses.