Blackout: Thermal interwoven lining provides insulation while keeping sunlight away. Colours: Choose between 13 colours (see below). Sizes: Available in five sizes! Curtains: Get a pair of thermal blackout eyelet curtains. Year-round design: Warm in the winter, cool in the summer. Easy-fit: With an eyelet header means they fit easily onto your existing curtains! thermal Blackout Curtains | Living Social