[Pillow cover material] high-grade satin material [Three sizes] standard: 20x26in/50.8x66cm Queen: 20x30in/50.8x76.2cm King: 20x40in/50.8x101.6cm [About Qilmy pillowcase] Qilmy pillowcases are super soft and breathable, have a silky luster, have a certain degree of wrinkle resistance, and have gorgeous printing colors. They can be used in all seasons. This pillow case is a symbol of love, nobility and elegance. Ideal for graduation, wedding, housewarming or Valentine's Day gift. Convenient design, easy installation Provide high-quality sleep environment Protect hair, prevent dry/knotted/hair loss Anti sleep wrinkles, nourish and glow skin [Applicable scene] Bedroom, bedding, etc. [Warm reminder] Only pillowcases are sold, not including pillow cores. [Washing instructions] machine washable; wash in warm water less than 40℃; do not use detergents such as bleach