Duck Brand Standard Window Air Conditioner Cover, 27-Inch x 18-Inch x 25-Inch, 283581 Duck Brand standard window air conditioner cover seals out weather, dirt, ice, leaves, moisture and debris Heavy duty plastic cover is reusable Securing straps and fasteners are included to keep cover secure throughout the season Each cover is 18-Inch height by 27-Inch wide by 25-Inch deep Includes 1 cover per package