Serta's Nightstar Deluxe Firm Crib & Toddler Mattress is designed to comfortably deliver the support babies need and deserve. Its features include a waterproof and stain-resistant vinyl cover, natural fire protection, an ortho-insulated layer for a superior sleeping surface, plus 120 heavy-duty coils and full perimeter boarder wire to ensure balanced support throughout the mattress.  

This extra-firm crib mattress is also GREENGUARD Gold certified. What does that mean for you? It means this mattress meets the strictest standards offered by the GREENGUARD Environmental Institute, which certifies products for low chemical emissions to help improve indoor air quality. So when you purchase this mattress you can spend less time worrying about what your baby's sleeping on, and more time bonding with them.