Quantity: 2Size: 9" Width X 18" Length X 7/8" ThickMaterial: Polyurethane FoamReplacement Side Panels For Window Air Conditioning UnitDesigned To Keep Out Dust, Dirt And Insects While Keeping Cool Air InsideReduces Noise And VibrationsSelf-Stick Side Channels Included In PackageCan Be Cut To Size Easily With Regular Household Scissors