HILADUO Roller Shade 0%, Blackout, Black 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:Black White (Contrast Color) + 0% Openness (Blackout): Dynamic texture. Black White features an interplay of light and dark threads with a shimmering twist, creating a sophisticated, tweed-like effect. It is visually engaging and modern. The 0% blackout core ensures that this dynamic look is backed by static silence from the light, providing a completely dark environment.