Pure Cotton Futon Mattress Cover Material and comfort: Made of 100% cotton. Thin yet durable and not easy to wrinkle. Soft and comfortable feel to help you sleep soundly on the futon mattress. Size options: single, double, twin, and super kingsize beds. Mattress protection: Protects the mattress from dust and other dirt, greatly improving durability and allowing you to use the mattress for longer. Easy care: Machine wash in cold water, tumble dry low. Wash before first use. Do not bleach or dry clean. Folds compactly for storage. Fit and installation: doubleended zipper for easy assembly and disassembly, 360degree profile for easy installation. This cover fits futon mattresses from 2 to 10 cm thick. Not suitable for innerspring futon mattresses, box futon mattresses or double layer futon mattresses. Use scenarios: Ideal for guest rooms to keep the futon clean and fresh between visitors. Suitable for dorms or shared living spaces where futon mattresses are used regularly. for family rooms or living areas with daybeds or futon sofas, providing a comfortable sleeping surface when needed.