With 360 degrees of airflow, Naturepedic makes what may be the only certified organic, waterproof and breathable crib mattresses in the world. The removable breathable and washable layer is also a built-in mattress protector. Made from safer, healthier materials such as 100% GOTS certified organic cotton. Waterproof surface made from non-GMO sugarcane. 100% Vegan. No glues or adhesives, no polyurethane foam, passes flame standards without fire retardants or chemical additives.