- Innovative Design for Easy Access: This dog door allows your pet to move freely in and out from both sides, promoting effortless access while giving you control over their movements. The back panel features a convenient block with a hole for easy insertion of a temporary seal when needed. - Versatile Installation Options: Designed specifically for large dogs, this adaptable dog door can be mounted on various surfaces including wood, metal, glass, plastic, and even walls, making it an ideal fit for any home. - Adjustable Screw Configuration: The product comes with evenly distributed screws from the factory to accommodate different door thicknesses. If the provided screws do not suit your installation, additional screws may need to be sourced separately. - Standard Cut-Out Dimensions: For proper installation, the recommended hole size is 57.5 cm in height and 41.5 cm in width, ensuring a perfect fit. Practical Use Scenarios: 1. Indoor-Outdoor Living: Perfect for homes with large yards, allowing your dog to enjoy the outdoors without needing constant supervision. 2. Pet-Friendly Spaces: Ideal for multi-pet households, letting each pet come and go as they please without hindering each other. 3. Weather Protection: Quickly add or remove the temporary seal on the back panel to protect your home from drafts when the door is not in use.