The NaturePedic No-Compromise 2-in-1 Combo Organic Baby Mattress features certified organic cotton filling plus one side is a premium waterproof cover that is easy to clean and the other is an organic quilted cover. Heavy-duty orthopedic innerspring and firm flat surface provide ideal support and heavy-duty border rods add strong side, edge, and center support. The exclusive FlameBreaker fire protection feature is a non-toxic fire barrier system based on baking soda and silica. It meets and exceeds all Federal and State flammability standards. The NaturePedic No-Compromise 2-in-1 Combo Organic Baby Mattress is hypo-allergenic with no wool or latex and is dust mite proof. It will provide your baby with a healthy, safe, and comfortable sleep environment for many years to come. Your baby will spend 10-14 hours a day sleeping and playing on a crib mattress. The benefits of a healthier mattress will last a lifetime.