Multi-Purpose Blackout Curtains for Any Room JYSK’s gorgeous blackout curtains are definitely an item that you do not want to be in the dark about. These impressive curtains serve a variety of purposes to benefit you throughout your everyday home life. They effectively block out the intense summer sunlight, as well as the cold winter drafts, conserving energy throughout both seasons. They are also noise-muffling, so you will be sure to enjoy a good night’s sleep. With the variety of colours and patterns that JYSK offers for these curtains, you can treat yourself to a unique set in any room of your home.