Enhanced Cooling Efficiency: This kit effectively seals gaps around your mobile AC's exhaust hose, minimizing hot air leaks. By maintaining a consistent indoor temperature, it enhances your unit's cooling performance and reduces energy consumption, making it both eco-friendly and cost-effective. Hassle-Free, No-Drill Installation: Designed for ease and convenience, this window seal kit can be set up in minutes without the need for any tools or drilling. It's the perfect solution for renters, students, and travelers seeking a non-permanent air conditioning setup in various living spaces. Compact and Portable Design: Tailored for those on the move, this kit is easy to carry and store. Whether you're relocating to a hotel, a seasonal rental, or simply moving between rooms , it ensures you can enjoy a cool environment wherever you go. Adjustable and Versatile Fit: Equipped with extendable panels, our window kit can adapt to a range of window sizes and types. This versatility makes it suitable for diverse settings, including dormitories, living rooms, and small apartments, ensuring optimal functionality across different locations. Secure and Reliable Hose Connection: The kit includes a robust locking mechanism that securely attaches to your portable AC's exhaust hose. This feature prevents the hose from detaching or shifting, ensuring uninterrupted airflow and consistent indoor comfort throughout its use. Color: White Material: Fabric Package Contents: 1 x Portable air conditioner Window Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.