1.ENVIRONMENTAL ADVANTAGE Enjoy an environmentally friendly and costeffective solution with this air conditioner window seal. Effectively blocking backflow reduces power consumption and reduces your bills. And with its easy installation, it is the perfect choice to reduce your carbon footprint while saving money. 2. and Windproof: Made of reliable polyester material, this air conditioner window seal is durable and can withstand all weather conditions. It prevents hot air from entering your room, and ensures that your air conditioner runs efficiently for a long time. 3.HASSLE FREE SET UP With our window seal, you can set up your air conditioner effortlessly. No drilling or the use of tools required. Simply open the zip, place the hose, tighten it and attach the seal in the window frame to ensure an airtight fit. 4.CONVENIENT KEEP TEMPERATURE REACH YOUR PREFERRED ROOM TEMPERATURE ALL YEAR ROUND with our hassle air conditioner window seal. When the weather gets cooler, it does not need to be removed. Simply open or close the window. It is also possible to install again next summer.