Dual firmness design: top - firmer waterproof side for infants, bottom - softer quilted "Grown Up" style for toddlers * Organic cotton filling – Naturepedic uses only 100% organic cotton to promote a healthy and more chemical-free sleeping environment; organic cotton is unbleached, undyed, and grown without synthetic pesticides, herbicides, or chemical fertilizers * Hypoallergenic - free of wool or latex - no need to worry about these potentially high allergy materials * Firm Support - heavy-duty 252 coil orthopedic innerspring and firm flat surface provide ideal support in accordance with pediatrician and Consumer Product Safety Commission (CPSC) firmness recommendations * Ships in Certified Frustration-Free Packaging