To use this quilt cover set, simply slide your quilt into the cover through the opening. You can use it all year round, and it's great for adding a touch of luxury to your king - size bed. When it comes to cleaning, machine wash it on a gentle cycle with cold water and mild detergent. Avoid using bleach as it may damage the colors and fabric. After washing, tumble dry on low heat. Don't wring or twist the cover to prevent deformation. Store it in a cool, dry place when not in use to keep it in good condition.