EMBOSSED DESIGN: These embossed blackout curtains have a gorgeous wave line design that makes them look really lux and rich. Not like a bland solid color, it's stylish and functional, fits in perfectly with any decor for the living room, bedroom, or office. AMAZING MATERIAL: Made of high quality sturdy 100% polyester fabric, our room darkening curtains are thick, soft, drapery, very pleasant to touch, and free from smell. Featuring quality stitch work and aligned hem. BLACKOUT EFFECT: These room darkening curtains are made of innovative triple-weaved technology to help block up to 85-99% sunlight. Darker colors have a better effect. MULTIPLE FUNCTIONS: DAIRUI Blackout Curtains are great for energy-saving and noise reduction. These thermal insulated curtains help keep the heat in the room during the winter and keep cool during the summer. Saves on home heating and cooling costs.