The Brooklinen percale Duvet Cover Slate in King/Cali King size is a three-piece set that includes a duvet cover and pillowcase. Made of 100% cotton with a GSM of 150 to 300, this modern and luxury-themed duvet cover is perfect for any bedroom. The solid color slate design adds a touch of elegance, while the cooling feature and machine wash care instructions make it easy to keep clean and comfortable. Ideal for teens, adults, and kids, this duvet cover is a stylish and practical addition to any home.