Each curtain panel has 6 grommets on top, inner diameter is 1.6 inch, comparable with most rods. Easy to install, and slide smoothly. `Our energy saving curtains insulate against summer heat and winter chill to balance your room temperature, save on energy costs 2 faux linen blackout curtain with light white liner, thick, soft, luxury and heavy duty each panel measures 37 Inch wide by 63 Inch long. Our blackout curtains are machine washable in gentle cycle and cold water, do not bleach. Warm iron on back side and tumble dry at low temperatures. Acqua Solid Color Blackout curtain blocks out sunlight and harmful UV rays, reduces outside noise, and ensures total privacy,perfect for night shifts, late sleepers and afternoon naps.Unique Design: Blackout curtains constructed with 2 layers are all triple weave blackout fabric, balancing room temperature by insulating against summer heat and winter chill meanwhile protect privacy. No chemical coating, no formaldehyde, bring harmony to your family 37" wide X 63" length each panel Package : 2 Panel per purchase size 37" wide X 63" length perfect for any room home decor Easy Care: Quality finishing will withstand years of use. Machine washable and Wash the water temperature below 86℉. Mild detergent no bleaching. Low temperature ironing. Don't use compatible with sharp things scratching curtains.