About the Classic Comfort Mattress Pad with Cotton Cover Mattress quality plays an important role in the natural sleep rhythms of your baby. The stable foam core is firm enough to keep your baby's growing bones safe, and its durability means the mattress can withstand nightly tossing and turning. The good news? Our mattresses are so comfortable many parents notice their babies are less restless since they're swaddled in comfort! The perfect fit of our mattresses in the babybay® crib means it's...