Good Housekeeping Best Bedding Award Winner - Tried, tested, & named "Buttery Budget Buy" in 2023, Mellanni's Iconic Collection offers unbelievable soft bedding at an affordable price. Treat your hair and skin to the luxurious comfort of our most popular Pillowcases King Size 20" x 40". Temperature Regulating - Moisture-wicking, breathable, & silky to the touch. Mellanni double-brushed microfiber is cozy or cooling, depending on the season. Our lightweight envelope pillowcases are 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, they're the perfect pillowcases for busy households with kids, pets, and more. Unparalleled Quality & Construction - Oeko-Tex certified & environmentally friendly. Envelope closure keeps the pillow tucked into case and hidden from view, providing complete protection for your pillow with no inconvenient zippers. Easy on and off. Award-Winning & Risk-Free Comfort - Loved by over 10 million sleepers, this 6x Good Housekeeping Award Winner has been featured on The Today Show, Oprah Daily, CNN, and more. Plus, with the Mellanni Lifetime Promise on your purchase item, and over ten-year track record, buy and return with confidence! Set of 4 pieces microfiber pillowcases