Pendleton Yellowstone King 4 Piece Cotton Flannel Sheet Set Multi Stripe NEW!! The Pendleton Yellowstone King 4 Piece Flannel Sheet Set in Multi Stripe is a cozy and stylish addition to any bedroom. Made from high-quality flannel, these sheets are machine washable and tumble dry for easy care. The Southwestern design with a cowboy and western theme is perfect for teens, adults, and kids alike. The gray color adds a modern touch to the room, while the stripes pattern adds a playful element. Ideal for those looking for a comfortable and durable sheet set that is both easy to care for and adds a touch of style to their bedroom decor.