The Mainstays Microfiber Basics are great sheets for a great value. The soft and ultra smooth feel of these sheets make for a great set for a kids room, guest bedroom, or vacation rental. They are machine washable for easy care. Made from 100% Polyester Microfiber, they are durable and long lasting. These sheets are available in two colors and have additional pillowcases available for purchase. The fitted sheet is made to fit mattresses up to 10 inches deep.