The Diamond ready made blackout curtains come pre-coated with a blackout material and a semi-plain fabric weave, meaning no extra lining is necessary. These drapes are ideal for keeping out light in bedrooms and any other space where you want to keep the windows covered. Stylish eyelet hems and a timeless diamond-motif semi-plain design make Diamond curtains perfect for a neat and modern look wherever you place them in your home.e.