* Sealy Baby Posturepedic Crown Jewel features the 220 PostureTech coil system that senses baby"s movement and responds with increasing for a firm and flat Posturepedic surface * Everedge pylons are added at the 4 corners and sides for ultimate firmness * All-around border rods keep sides, corners and edges firm just like an adult mattress * Steel vertical support bars distribute baby"s weight evenly over the entire mattress surface * 3 non-allergenic layers insulate baby crib mattress for durability, firmness and comfort lasting through the toddler years * Staph-Gard hospital-grade protection helps prevent bacteria growth * Wet-proof reinforced cover and binding resist liquids and stains and wipes clean with soap and water * Waterproof lock-stitched binding helps prevent mold, mildew, and odor * Airflow pocket helps keep mattress fresh without the use of small metal vents * Lifetime warranty on workmanship and materials * Sealy Baby Posturepedic Crown Jewel fits all U.S. standard size cribs and toddler bed frames * Meets or exceeds all flammability and lead testing and does not contain toxic fire retardants * Model: EM642-PHN