The Naturpedic Organic Cotton No-Compromise Waterproof Fitted Crib Pad is soft and breathable providing a dry and comfortable barrier that blocks dust-mites and other allergens. The top and bottom layers are 100% cotton fabric. It provides a perfect alternative to vinyl and latex rubber. This alternative design has no vinyl – PVC, No Phthalates, No Latex (for allergy concerns) and is machine washable.