Using this duvet cover set is a breeze. Just put the duvet inside the duvet cover, and slip your pillows into the envelope - style pillowcases. It's suitable for all seasons, so you can use it year - round. When it comes to cleaning, you can machine - wash it in cold water on a gentle cycle. Avoid using bleach as it may damage the fabric and fade the colorful rose prints. After washing, tumble dry on low heat. Store it in a dry and cool place when not in use to keep it in good condition.