Transform your existing curtains into a luxurious, 100% total blackout solution with the Thermaplus Ultimate Liner. Engineered with multiple bonded layers of foam, this liner delivers a hotel-quality, true blackout environment, ensuring absolute privacy and optimal darkness for any room. Beyond light control, this liner offers significant benefits including reduced heating and cooling costs through improved insulation, and effective sound dampening for a more peaceful atmosphere. Designed for versatility, the Thermaplus liner is compatible with all curtain heading styles ranging from 40 to 54 wide, and best fits curtains up to 108 inches in length. Crafted from durable, easy-to-clean materials, this liner provides long-lasting performance and effortless maintenance. Enjoy the convenience and enhanced functionality of a premium blackout experience with Thermaplus. Please note this product is sold as a single panel, allowing you to customize your window treatments to perfectly fit your needs and preferences. Experience the difference of complete darkness, enhanced privacy, and energy efficiency with Thermaplus Ultimate Liners.