DIMENSION: Grommet blackout curtains and draperies include 2 panels each panel is 140x160cm (width x height). The height of the window curtain is measured from the top of the ring. Opaque curtain is recommended a window width of 70-100cm. GOOD FABRIC: The curtains are made using an innovative triple weave technology. Thanks to the black threads woven into the fabric, thermal drapery can block out 80-95% of light (Dark color works best) Fabric Density: 61D x 330D Weight: 230GSM. The fabric is delicate and flexible that will not fade in long-term direct sunlight The draperies are natural, breathable and airy, no chemical coating, no formaldehyde. PERFORMANCE:Blackout curtain beautifies the home and protects your private space at the same time The thick curtains can also act as a sound barrier by reducing outside noise. Helps reduce harmful UV rays in summer and cold in winter for a cool interior all year round. Does not replace air conditioning, but contributes to +/-1-2 degree