Add a dash of style and privacy to your rooms with our Neutral Ground Signature Velvet Blackout Curtain! Perfect for enhancing the spare room, these curtains offer both style and function with their room-darkening features, making them an excellent choice for adding privacy and reducing sunlight. Neutral Ground is an easy-going dark ivory. This luxurious velvet curtain is lined with off white thermal fabric.. Signature Velvet | 100% Polyester. Blackout Lined | 90% Blackout Opacity. Our most versatile top treatment, these panels can be sheered on a rod using the pocket, hung using the back tabs for a fixed ripple look, or attached to rings using the hook belt and drapery pins.