The perfect combination of natural materials and innovation, the Beautyrest Silver SlumberTime Two-Stage Crib and Toddler Mattress will help your baby sleep soundly. This baby mattress features a plant-based soy-enhanced foam core that provides the ideal firmness level, while two distinct sides offer targeted support and comfort for your child as they grow. The infant side offers the firmness newborns require while the toddler side has natural silver technology that features moisture wicking properties for a cool, odor-free surface. Topped with a soft, waterproof fabric cover, this crib and toddler bed mattress will stay fresh and clean for many years.