Serta Perfect Sleeper Comfort Deluxe 2- Stage Crib and Toddler Mattress - 220 Inerlocking Coils - GREENGUARD Gold Certified - CertiPUR-US - Made in USA- Lifetime Warranty

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