The Naturepedic Organic Cotton Classic Baby Crib Mattress features GOTS certified organic cotton fabric and filling as part of a safer, healthier design plus a patented food-grade waterproof surface made from non-GMO sugarcane that easily wipes clean. Your baby will be sleeping on a firm, certified organic crib mattress that's waterproof too for a hygienic sleep environment. No flame retardants, vinyl/PVC, phthalates or allergenic latex whatsoever. Lightweight 2 stage for infant, then toddler. Used with 1 child for 3 years. No accidents, always had mattress protector on it. Some small blemishes, as seen in photos.