Sleep & Beyond 4-Piece My Sheet Set with 18-Inch Deep Pocket, King, Natural Cotton Sateen Imported Set includes a flat sheet, fitted sheet and 2 pillowcases (one pillow case with twin set) Machine wash in warm water on gentle cycle; Use only non-chlorine bleach, if needed; Tumble dry on low heat; Warm iron as needed Oeko-TEX certified, which ensures the cotton yarns used in production are safe for infants and free of harmful chemicals and dyes