1.ENERGY SAVING SOLUTION Maximize your energy efficiency and reduce your carbon footprint with this air conditioner window seal. It effectively blocks backflow, preventing hot air from entering your room and lowering your power consumption. Enjoy an environmentally friendly and costeffective solution. 2.Reliable Material Our air conditioner window seal is made of durable and waterproof polyester material, which ensures durable and reliable protection from harsh weather conditions. 3.HASSLE FREE SET UP With our window seal, you can set up your air conditioner easily. 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.Allseason window seal: ensure your ideal indoor climate with our allseason air conditioning window seal. No removal required, simply open or close your window in any weather.