Effective warm air blockage Seal the gaps between your window and frame with this mobile air conditioner cloth baffle, effectively blocking warm air from entering your home. Keep your indoor space cooler during the hottest days. Energy efficiency Reduce cold air leakage with this innovative window seal, promoting energy conservation and helping you save on electricity bills. A practical solution for modern living. Long lasting waterproof design Crafted from waterproof polyester, this insulation cloth guards against rain while keeping insects at bay, creating a more pleasant atmosphere in your home. Simple installation process Enjoy hassle setup without any tools; simply use the hook tape to attach and secure the cloth baffle. Enjoy enhanced cooling without compromising window functionality. Key features Function: Blocks warm air ingress to help maintain cooler indoor temperatures; reduces energy loss. Material: Waterproof polyester for rain protection and insect deterrence. Attachment: Hook tape for tool installation and secure fit. Compatibility: Designed to seal gaps between window and frame; easy to attach to standard window setups with hook tape. Performance: Improves comfort in hot weather, supports energy savings, and provides weather and pest protection. Usage scenarios Hot days with a window or portable air conditioner: Install the cloth baffle to prevent warm exterior air from entering, keeping indoor spaces cooler. Rainy seasons or humid climates: The waterproof fabric shields against rain while blocking insects, helping maintain a comfortable environment with the window in use. Apartments, homes, or offices with window openings: Quick, tool installation using hook tape allows temporary sealing without affecting window operation or requiring permanent alterations.