HILADUO Roller Shade 0%, Blackout, White.About the Shimmering Series:The Shimmering collection proves that blackout shades don't have to be dull. This fabric is infused with subtle metallic threads that catch the light, creating a sophisticated sparkle without being overpowering. It adds a touch of glamour to your window, transforming a functional necessity into a stunning design statement.Visibility & Light Control:White (Light Color) + 0% Openness (Blackout): Diamond dust elegance. The White base offers a pure, clean look, enhanced by a delicate shimmer that mimics fresh snow in the sunlight. It brightens the room instantly. Yet, the 0% blackout core ensures that this radiance is purely decorative, blocking 100% of external light for deep sleep.