Serta’s Perfect Sleeper Comfort Deluxe Crib and Toddler Mattress combines top-notch materials with an innovative design to create a comfortable and safe sleep environment for Baby. At the core of this mattress a state-of-the-art steel coil innerspring support system delivers advanced comfort and support. This two-sided baby mattress caters to your little one’s sleeping needs as they grow. On the infant side, the firm sleep surface is ideal for newborns. On the toddler side, a layer of memory foam provides additional comfort and pressure point relief. Designed by the same brand that’s been leading the way in mattress innovation and technology for more than 80 years, this Serta Perfect Sleeper? baby mattress delivers the same quality craftsmanship as their adult mattresses at an exceptional value. AT THE CORE: 220 interlocking coils ensure stable, balanced support; Additional support and comfort provided by ortho-insulated layers for a firm, safe sleeping environment | CUTTING EDGE: A full perimeter border wire along with strong Innofoam corner protection guarantees stable edges 2-IN-1 DESIGN: The infant side offers the firmness newborns need while the toddler side features a layer of memory foam for additional comfort and pressure point relief BLOCKS WETNESS: Woven waterproof fabric cover is easy to clean