Best Home Fashion Thermal Insulated Blackout Curtains - Stainless Steel Nickel Grommet Top - Grey - 52"W x 63"L - (Set of 2 Panels) Innovative triple-weave construction helps block out light, outside noise and insulates against heat and cold cutting back on window related energy loss. Independent laboratory tests show curtains blocks out 99% of light and 100% of UV rays Darker colors are more effective in blocking out light Each panel has 8 stainless steel nickel grommets. Grommet has 1.6-inch inner diameter, Included grommet rim is 2.7 inches Measurements: Panel (52 W x 63 L), Set (104 W x 63 L), Set includes two (2) machine washable curtain panels