Double Insulation: The windblock poly inner lining and the outside cover are stitched together for easy installastion
Inside Dimensions: 21"long x 15"high x 3.5"deep. Fits Most 3,000 - 7,000 BTU Window Air Conditioner Units
Block wind and cold air drafts from getting inside through air conditioners, and shield your home from dirt and soot.
Remain in place: Adjustable straps on both sides and elastic cords around allows you to achieve a snug fit. Provide 3M Velcro, Easy installation, Minimum Assembly, Reliable, and Convenient.
Lowers heating costs: Eliminate the need to remove and reinstall A/C unit and reduce energy cost.