The firmer the crib mattress, the better. That’s why the Serta Nightstar Super Firm Crib & Toddler Mattress is outfitted with heavy-duty coils, corner supports and full perimeter border wire for a secure feel that keeps babies on their backs and a snug fit that leaves no gaps in-between the crib and mattress. Plus, its easy to clean waterproof vinyl cover makes unexpected accidents less of a mess.

This 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—and ensures this product produces the cleanest air quality for those who need it most. So when you purchase this mattress you can spend less time worrying about your what your baby’s sleeping on, and more time bonding with them.