Cat Door for Window Weatherproof: Aluminum Frame Flap Pet Door Fit Window Insert - Easy Adjustable to Quick Fit Windows Width 31"-36" - 4 Secure Lock Modes with Magnetic Closure for Cats Dog

Effortless Access & Maximum Security: The window cat door features a 4-way locking mechanism: 2-way closing, 2-way opening, outward opening, and inward opening. You can freely adjust the operation mode to ensure your pet stays in or out as needed and prevent unwanted animal entry. The internal lock-out slide of cat window door adds extra security, helping deter curious wildlife.

Durable & Reliable: The window frame is made of sturdy powder-coated aluminum durable and resists scratching, cracking, weather damage and repeated pet use. Vinyl transparent flap which providing a clear visibility and bright light. The edges of the pet door flap have been rounded without sharp edges to prevent pets from getting injured when entering or leaving. The flap swings both ways and is transparent for easy pet visibility.

Perfect Fit & Sleek Design: The frame length of cat window door can be adjusted to fit your horizontal sash window. 3 size options: 23"-28", 27"-32", 31"-36". The cat door suitable for horizontal sash window. The built-in design cat door window insert seamlessly blends with the window, blends in with the surrounding environment.

Superior Seal for Energy Efficiency: The magnetic flap closure allows the cat window door to close in time after use and the good sealing performance of the door can also isolate the wind and rain. This helps reduce energy costs by preventing heat from escaping in winter and cool air from leaking in summer, keeping your home comfortable year-round.

Easy to Install & Pet-Friendly Access: Designed for quick DIY installation with no tools beyond what's included. Just adjust the length of the cat window door according to the size of your window, and install it with a seal. It's lightweight enough for cats and small dogs (L < 9.05 inch, W < 7.8 inch) to push through with ease.