HILADUO Roller Shade 0%, Blackout, Night Train, Fire Retardant.About the Morelle FR Series:The Morelle FR collection combines soft, matte sophistication with certified safety. This fabric is woven with a smooth, non-reflective finish and engineered with advanced fire-retardant properties. It meets rigorous safety standards while silencing the visual noise of the outside world, providing a calm, secure backdrop for any space.Visibility & Light Control:Night Train (Dark Color) + 0% Openness (Blackout) + FR: Deep darkness, safely delivered. Night Train is a profound, moody blue-black that absorbs light to create a cozy, enclosed feeling. With 0% openness, it stops all light intrusion. The added Fire Retardant feature makes this deep darkness not just restful, but also exceptionally secure.