Ready Made - Ring Top blackout curtains includes two panels in all available sizes, inner diameter of the each ring measures 4 cm Energy Smart - Thermal property of the curtains help to retain the warmth in winter and keep the room cool in the summer, fade-resistant material protects your indoor furniture from direct exposure to the sun Easy Care - 100% polyester, machine washable under 30 degrees, wash or steam to remove wrinkles Pencil Pleat - Pencil pleat blackout curtains also available which comes with three header tape to make its shape in better way, offers two rows on which you attach hooks too