Versatile Window Door Seal for Portable Air Conditioners: This upgraded window door seal is designed to enhance the efficiency of your portable air conditioner by providing a snug fit around window, preventing air leaks and maintaining optimal coolingMaterial: Made from polyester, this seal cloth is both waterproof and highly sturdy, ensuring long term performance while effectively blocking out unwanted drafts and moistureEasy Installation and Foldable Design: The seal is easy to install with its user friendly design, making it suitable for various window sizes and models. Its foldable nature allows for convenient storage when not in useComplete Package Includes Seal Strip: Each package comes with sealing and an additional sealing strip, providing everything you need for a comprehensive installation that maximizes the efficiency of your portable air conditioning unitWide Application: The window sealing kit is available for most portable air conditioners, for overhang dormer, roll out casement and casement window, etc Specification: Material: Polyester Package Includes: 1Window Sealing Cloth1Sealing Strip Note: Please allow slightly errors 1-2cm differences due to manual measurement.