The Naturepedic Quilted Organic Cotton Deluxe 252 Crib Mattress is the most luxurious natural organic mattress available. Select this mattress when only the best will do. An innerspring has been designed to maximize support and promote good posture. It is firm, but is covered with natural, chemical-free organic cotton filling for oh-so-soft comfort. Fire-safe and water-resistant, it has no chemicals or toxins. Your child will be blessed with a more natural, healthy and comfortable sleep environment. That ought to make you rest easier as well!