Total 7 sizes (from 52″W x 63″L to 52″W x 120″ L) and 11 stylish colors. Machine-washable fabric resists wrinkles and fading—enjoy hassle-free maintenance for years! Energy-Saving Thermal Insulation: The dense double-weave fabric of thermal insulation light blocking curtains forms a powerful thermal barrier, dramatically reducing AC/heating costs by up to 25%.