HILADUO Roller Shade 1%, Solar Screen, White/Black.About the Helios Series:Named after the sun, the Helios collection is engineered for superior solar performance with a sophisticated aesthetic. This fabric is woven with dual-tone threads, creating a striking tweed-like effect. It stands out as a high-performance shield against heat while adding a refined, modern touch to your windows.Visibility & Light Control:White/Black (Contrast Color) + 1% Openness: The best of both worlds. The White threads reflect heat to keep the room cool, while the Black threads absorb glare to improve view clarity. Even at 1% openness, this unique contrast weave allows for a clearer view than solid light colors, providing excellent function and visual interest.