2-PK 52x84" Sound blocking/Total blackout curtain panel pair White B035P496615100% Blackout Curtains: these high quality curtains are combined with black backing to make completely black out curtains that help ward off streetlights and light, creating dark bedrooms and living rooms environment , while also providing better privacy Noise Reduce: compared with single layer room darkening curtains, our 2 layer full blackout curtains can better isolate the noise on the road, and the soundproof environment can help you sleep better,