Frost King, 25" x 17" x 4", Beige, Indoor Window Air Conditioner Cover, 2 Piece Cover Includes A Plastic Liner Which Stops Drafts & Keeps Out Dust & Dirt & Quilted Fabric Cover Which Adds A Decorative Look, Fabric Cover Is Machine Washable, Medium Size For Standard Sized Units, Fits Window Units From 10,000 To 15,000 BTU's.