- Switchless Design: This innovative dog door allows your pet to enter and exit freely from both sides, providing ultimate comfort and flexibility. A removable insert is included for temporary sealing, giving you control over your pet's movements. - Large Dog Friendly: Specifically designed for larger breeds, this versatile dog door can be installed in various door types, including wood, metal, glass, screen doors, and plastic steel, as well as walls. - Screw Compatibility: The screws are pre-distributed from the factory to accommodate different door thicknesses. If the included screws do not suit your installation needs, additional screws can be purchased separately. - Installation Specifications: The standard cut-out size required for installation measures 57.5 cm (22.6 inches) in height and 41.5 cm (16.3 inches) in width. Practical Applications: 1. Home Access: Perfect for pet owners who want to give their dogs the freedom to access the backyard or garden without needing to open the door every time. 2. Multi-Pet Households: Ideal for homes with multiple pets, allowing for convenient and independent movement in and out of the house. 3. Seasonal Use: Use the removable insert to seal off the door in colder months, maintaining indoor warmth while still allowing controlled access for your pet.