The DaVinci Comfort Crib Mattress is designed for peaceful sleep and everyday ease, our crib mattresses feature supportive cores and soft, removable waterproof covers. Comfort, cleanliness, and durability come together for your baby's best rest. Our GREENGUARD Gold crib mattresses use CertiPUR-US foam and fit standard cribs and toddler beds.This standard crib mattress delivers firm, breathable support with a soft knit cover that's removable and waterproof. Easy to clean, comfy, built to last and perfect for safe, restful nights.