The Naturepedic Organic Cotton Flannel Pad features two layers of luxurious organic cotton flannel 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. This pad makes an excellent choice for parents seeking to remove potentially harmful chemicals from their child's sleeping environment. Please note this pad is not waterproof.