SB Line blackout curtains with ring are very easy to install. Simply slide it over the rod and it's already hanging. Blackout curtains are specially woven to block out a lot of light for a nice, dark and attractive room. Dark colors block out even more light than lighter tones. - The dimensions for this curtain are 300 cm wide with a length of 260 cm. - Number of pieces: 1 piece - Sold by the piece The size is 1 curtain. - The curtain is made of 100% polyester fabric. - This product can only be washed by hand, with lukewarm or cold water, and should not be tumble dried. - Ring diameter: inner size ± 4 cm, outer size ± 6 cm.