HILADUO Roller Shade 0%, Blackout, Black River.About the London Series:Inspired by the timeless sophistication of the British capital, the London collection brings a tailored, urban aesthetic to your windows. This fabric features a refined, matte weave with single-color threads, reminiscent of fine suiting or historic stone. It acts as a shield against the busy city, offering a quiet, private retreat.Visibility & Light Control:Black River (Dark Color) + 0% Openness (Blackout): Fluid depth. Black River is a deep, inky black that mimics the mysterious flow of the Thames at night. It adds a dramatic, moody elegance to your space. As a 0% blackout shade, it is the ultimate light absorber, turning your room into a pitch-black haven perfect for sleep or cinema.