EASY TO INSTALL: 2 curtain panels per package. Each lined blackout curtain measures 52 inches wide by 84 inches long, with 3 inches Rod Pocket on top, fits most curtain rods. MAXIMUM BLACKOUT: with black lining backing, our 100% light blocking curtains are thick enough to completely block out sunlight and UV ray. These room darkening curtains provide you a real dark environment to sleep even during bright sunny day. Protect your indoor privacy. SOUND PROOF: our heavyweight double layer curtains panels are effective on absorbing sound 2 times than ordinary 1-layer curtains, to protect you from disturbing by outside neighbor or traffic noise. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.