Naturepedic Organic Waterproof Baby Crib Mattress Pad, Removable Protector Pad for Baby and ToddlerThe Naturepedic Organic Cotton Waterproof Protector Pad features two layers of luxurious organic cotton flannel with an ultra thin waterproof membrane in the center for an absorptive and comfortable sleep environment. Naturepedic is a GOTS certified organic bedding 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.