Serta Perfect Sleeper Crib and Toddler Bed Mattress

The Serta Perfect Night Comfort Mattress's top inside layer is Serta Fireblocker, providing gentle sleeping and safety using exclusive material. This mattress is free of phthalates. 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 - 117 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.