Fitted sheet with elastic band on all four corners, designed to fit mattresses from 8 to 12 inches in height. PREMIUM MIXED COMPOSITION - 50% Cotton and 50% Polyester. Cotton brings softness and breathability, while polyester ensures strength and durability. All season comfort: breathable fabric keeps the ideal temperature: warm in winter and cool in summer. Easy to care for: machine washable at up to 30 °C, does not wrinkle easily and does not require ironing. Do not bleach. WIDE RANGE OF COLORS AVAILABLE - Great for matching flat sheets and pillowcases.