MORE HOT AIR REVENUEThe window seal prevents hot air from your portable air conditioner hose from blowing away by locking the hose between the window frame and the window housing. Our window seal keeps out insects, mosquitoes, rain, and creates a closed environment that keeps your room cooler for longer. INCREASE COOLING PERFORMANCE Enjoy a cooler environment in the summer thanks toseals around your open window, then zips around your hose nozzle and blocks the return flow of warm air so your mobile air conditioning unit can be more efficient and cools your room in less time time. REDUCE ENERGY CONSUMPTIONLove the Earth This window seal helps to reduce energy consumption and reduce carbon dioxide emissions, which is particularly high in summer due to the heavy use of air conditioning. Preventing hot air from circulating in your room, the window seal helps you save money on electricity bills EASY TO INSTALLNO NEED TO DRILL HOLES. you need comes with your window seal Simply apply the hook tape to your window frame and window casing. Tape the window seal. Next, unzip the window seal and place your air conditioner hose through the window. In the end, close the zipper tightly around the hose. UNIVERSALSuitable for all portable air conditioners and clothes dryers. Whether for windows that open to the left or windows that open to the right, windows that hung at the bottom or skylights. It fits a window with a maximum perimeter of 400 CM. Product information: White color Material: waterproof fabric Length: 400CM / 13.12FT Width: 40CM / 1.31FT (widest) Item Weight: 350g Package includes: 1 x 400cm universal window seal Note: other items are not included, color is based on the first picture and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thanks