[video width="1280" height="720" mp4="//cdncn.goodao.net/cndairui/Curtain-showroom9.mp4"][/video] 2 piece per package, each piece measures 36 inch width x 24 inch length, constructed with 1.5 inch header and 2 inch rod pocket, easy installed on a curtain rod (Rod diameter less than 1.2 inch)100% black out, black out all direct sunlight, can reduce noises from outside to improve your sleep or provide you a better environment to work.