The Naturepedic Organic Cotton pillowcase standard size 20" x 26" 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. Naturepedic Pillowcase Toddler