Naturepedic Organic Cotton Portable Crib Fitted Sheet, IvoryThe Naturepedic Organic Cotton Portable Crib Sheet features a soft 100% organic cotton sateen fabric for a luxurious and healthy sleep surface. 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. Item number:SP50i