Serta Perfect Night Crib and Toddler Bed Mattress

The Serta Perfect Night top inside layer is Serta Fireblocker, providing gentle sleeping and safety using exclusive material. Additional support is provided by Polyester Layers for a firm, safe surface. Baby's sleeping environment is protected by specially treated, heavy laminated cover. Innerspring Support - 242 Heavy duty coils provide maximum strength and resilience. Balanced support from full perimeter border wire for firm edges when baby is standing. Mattress vents to keep sleeping environment fresh. Security of edges assured by heavy cotton binding with lock stitching. EXCEEDS FEDERAL AND STATE FLAMMABILITY STANDARDS.