Hanes Apollo Optical Soft Blackout White is a solid white color blackout fabric. This white heavy duty blackout lining is perfect for blocking out the sun for your window treatments. Hanes' newest non-FR three-pass blackout. Offers exceptional softness, drapeability, and value. Can be used as a stand-alone drape. Blackout linings are designed to completely block out light, which creates an ideal sleep environment, protects the interior of the home from ultraviolet sun damage, and provides privacy to the homeowners.