Promote a Healthy Environment for Your Child. 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. Key Benefits: 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 Features the same luxurious waterproof organic cotton cover as our Ultra model providing 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 Dust Mite Barrier Cover - No need for an additional dust mite barrier encasing 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. Medium Firm Support Heavy-duty 360 coil orthopedic innerspring provides ideal medium firm support. Heavy-duty border rods add strong side and edge support. Gift Wrap not available.