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 that is easy to install and remove. 2.Uncompromising windproof: our air conditioning window seal made of high quality waterproof polyester is exceptionally durable and provides reliable windproof protection against all harsh weather conditions. 3.Easy installation: install your AC window seal without drilling or tools. Place the hose in the window frame, open the zip, tighten the seal and ensure an airtight fit. 4.TEMPERATURE CONTROL MADE EASY: Keep your room cool in summer and warm in winter without removing the window seal. Simply open or close the window as needed. Install it again easily next summer.