The No-Compromise Organic Cotton Classic is simply the healthiest crib mattress available. It is waterproof, firm and eliminates potentially harmful chemicals from your child��s crib. It will provide your child with a more natural, healthy and comfortable sleep environment. Promote a Healthy Environment for Your Baby or Child Baby and Children��s mattresses typically use materials such as vinyl/PVC and polyurethane foam which release questionable chemicals over time. These materials and chemicals have been eliminated in the No-Compromise Organic Cotton Mattress. Babies in particular spend up to 70% of their early life sleeping and playing on a crib mattress. Your baby��s health and safety should not be negotiable. Learn more about the problems with crib mattresses. Organic Cotton Filling Mother nature provides the best materials for a healthy and comfortable sleep. A crib mattress made with organic cotton promotes a healthy and more chemical-free sleeping environment. Cotton is an ideal filling material that is both natural and renewable. Organic Cotton is unbleached, undyed, and grown without synthetic pesticides, herbicides, or chemical fertilizers Waterproof Organic Cotton Top (Infant and Toddler) Features the same luxurious waterproof organic cotton cover as our Ultra model providing a firm flat surface for infants and waterproof protection for bed wetters. Quilted Organic Cotton Bottom (Toddler and Child) Features a luxuriously quilted organic cotton bottom cover for a more mature mattress surface resembling a conventional adult mattress. Hypoallergenic No Wool or Latex - No need to worry about these potentially high allergy materials. Fire Protection Cotton does not burst into flames or release deadly fumes when ignited (as compared with polyurethane foam). Exclusive fire protection system features a non-toxic and naturally derived fire barrier system that is safe and effective. It meets and exceeds all Federal and State flammability standards without the use of potentially harmful chemicals. Firm Support Heavy-duty orthopedic innerspring and firm flat surface provide ideal support in accordance with pediatrician and Consumer Product Safety Commission (CPSC) firmness recommendations. In addition, heavy-duty border rods add strong side, edge, and center support for all models. Designed for a snug fit.