Manufacturers description Mellanni's flagship 4-piece, king size sheet set - top sheet 102"x105", fitted sheet 78"x80", & 2 envelope style pillow cases 20"x40" - offers unbelievably soft bedding at an affordable price. • Temperature Regulating - Moisture-wicking, breathable, & silky to the touch. Mellanni double-brushed microfiber is cozy or cooling, depending on the season. Our lightweight sheet set is ideal for all sleepers, including those with sensitive skin. • Easy Care Technology - Signature Mellanni Weave is quick drying and more durable than cotton. Stain, shrink, fade, wrinkle, & pill-resistant. Easy to spot clean and machine washable, it's the perfect sheet set for busy households with kids, pets, and more. • Unparalleled Quality & Construction - Oeko-Tex certified & environmentally friendly. Deep pockets on fitted sheet fit mattresses up to 16" deep. All-around, sewn-in elastic for easy on & off, with a snug fit to stay in place while you sleep. =