1. Environmental protection: this air conditioner window seal prevents hot air from entering your room, effectively reducing power consumption and saving you money on your bills. Besides, it is easy to install and remove, making it ideal for portable air conditioners. 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 setup: 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. Easy to use: achieve your ideal indoor climate all year round with our air conditioning window seal. No need to remove it in cooler weather just open or close the window. Come next summer, reinstallation is a breeze.