- Universal Fit for Large Dogs: Specially designed to accommodate all large dog breeds, this pet door can be seamlessly installed on various surfaces. Compatible with wooden doors, iron doors, glass doors, wrought iron screens, plastic steel doors, and walls, it offers versatility and convenience for pet owners. - Two-Way Access with Simple Control: This dog door allows pets to move freely in and out from both sides. When you need to limit your pet's movement, simply insert the included sound barrier to temporarily seal the door, giving you control over your pet's access. - Optimal Size for Easy Installation: With standard dimensions of 22.6 inches in height and 16.3 inches in width, the installation process is straightforward, ensuring a perfect fit for your pet's needs. - Durable Materials for Longevity: Built with a sturdy ABS door frame and a resilient PVC access door, this pet door is designed to withstand daily use and resist wear and tear, providing a reliable solution for pet owners. Use Scenarios: - Install it in a wooden backdoor to give your large dog easy access to the yard, enhancing their outdoor experience while keeping your home secure. - Mount it on a glass patio door to create a stylish and functional entry point for your large breed, allowing them to socialize more freely with family and friends. - Utilize it in a metal garage door to provide your pet with independence, letting them in and out while you focus on other tasks. This pet door is the perfect addition for pet owners seeking flexibility and an effective solution for large dogs.