- Experience seamless pet access with our innovative dog door featuring a switch-free design, allowing your pet to enter and exit freely from both sides. The back panel includes a blocking feature with a hole for easy temporary sealing, giving you control while your pet enjoys mobility. - Designed specifically for large dogs, this versatile dog door can be installed on a variety of surfaces including wooden doors, metal doors, glass panels, iron grates, plastic, steel, and even walls, making it an adaptable solution for any home. - Note: The included screws are evenly distributed to accommodate different door thicknesses. If the provided screws do not meet your installation needs, please purchase additional screws separately. - Standard installation dimensions include a height of 57.5 cm and a width of 41.5 cm, ensuring a perfect fit for your large canine. Use Cases: - Let your pet enjoy the freedom of the outdoors without needing to open the door constantly, perfect for busy households or during inclement weather. - Ideal for homes with multiple entry points, allowing pets to move independently between rooms or outside, promoting an active lifestyle. - A practical solution for pet owners who want to balance pet access with home security, thanks to the temporary sealing feature.