1.Environmental Advantage: Enjoy an environmentally friendly and costeffective solution with this air conditioning window seal. Effectively blocks backflow, reduces power consumption and lowers your bills. And with its easy installation, it is the perfect choice to reduce your carbon footprint while saving money. 2.Reliable Material Our air conditioner window seal is made of waterproof polyester material, which ensures longlasting and reliable protection from harsh weather conditions. 3.EASY TO INSTALL Install your AC window seal without drilling or tools. Place the hose in the window frame, open the zip and tighten the seal and attach it airtight. No stress, no sweat, just cool and comfortable air. 4.COMFORTABLE TEMPERATURE Reach your preferred room temperature all year round with our hassle air conditioner window seal. You don't need to remove it when the weather gets cooler, just open or close the window. Installation next summer is also effortless.