Adjustable polyester window seal with reinforced sliding design ensures insulation for horizontal / vertical sliding window, outperforming zipper models with tear resistant construction Complete Ready to Use set Includes elastic strapped air conditioning exhaust hose cover to heat leakage and a window vent set, enhancing cooling efficiency for portable air conditioning units while reducing energy consumption Perfect for sealing window gaps during cooling in studios, basements, or temporary spaces where traditional window units are impractical Simplified installation requires not need tool secure hose cover with straps, adhere window seal with tape, thread exhaust pipe through reinforced apertures, and fasten with hook and loop closures for weatherproof Ideal for apartment dwellers, owners, and homeowners seeking climate control for portable air conditioners or compact dryer venting systems