The most popular and simple window treatment is solid blackout curtains. We have the best thermal blackout curtains in six popular colors: light grey, grey, light brown, dark brown, blue and purple. These thermal blackout curtains are perfect to keep your bedroom, children room and baby room insulated. The blackout curtains has an excellent shading rate up to 90%. We customize for a different size: extra wide curtains or extra long. These thermal blackout curtains are styled in grommet, pencil pleats, rob pocket and hook tops.