Weatherproof window AC seal provides reliable protection against rain and moisture. The tightly woven polyester fabric and sealed edge barrier help keep the indoor space dry and shield the unit from environmental intrusion. Easy installation with a simple three step process using the tension cord and tape kit for quick, clean sealing without tools. Adjustable fit accommodates a range of window sizes and most standard air conditioner units, delivering versatile performance across different rooms and setups. Durable design uses density material and reinforced stitching to resist deformation over time, ensuring a lasting seal. Practical use scenarios: In rainy or humid climates, prevent water ingress and protect nearby electronics. For rentals or seasonal use, create a temporary, non permanent seal without mounting. In hot weather, reduce drafts and improve AC efficiency in bedrooms, living rooms, or home offices.