The Naturepedic Organic Cotton Ultra 2 in 1 will grow with your child for many years while providing a more natural, healthy and comfortable sleep environment. The 2 in 1 design features an easy to clean waterproof side for younger children that protects the inner core of the mattress from moisture while also functioning as a dust mite barrier. The bottom quilted side offers a luxurious plush feel that will last your child for many years. Makes an excellent choice for parents seeking a versatile children"s mattress without harmful chemicals and allergens. Naturepedic is a GOTS certified organic mattress manufacturer and has earned the trust of moms and doctors across the country. Naturepedic also meets the strictest GREENGUARD certification standards for eliminating chemical emissions. Legal Statements: This and all items from Naturepedic are excluded from all promotions and discounts except where otherwise noted on product detail pages.