- SIZE OPTIONS: Choose the right fit for your pet. Small Door: Outer dimensions 11.4"x9.4", Inner dimensions 8.25"x10.5". Large Door: Internal Frame 12.2"x14", External Frame 14"x16"x0.5". Measure your pet and compare with door sizes before purchasing. - AUTOMATIC CLOSURE: Features a magnetic flap closure that securely shuts the door after your pet exits, ensuring convenience and energy efficiency. - SECURE LOCKING: Equipped with dual slide locks at the base of the flap, this door ensures your pet stays safely inside when unsupervised. - UNIVERSAL COMPATIBILITY: Suitable for all door types, this dog/cat door seamlessly integrates into your home. - DURABLE CONSTRUCTION: Made from ultra-hard ABS material and reinforced with screws, this pet screen door is built to last. The inner shaft provides sturdy support, while the scratch-resistant wire mesh ensures durability. The charming paw design adds a playful touch. - USE SCENARIOS: 1. Perfect for creating a pet-friendly environment while maintaining privacy and security in your home. 2. Ideal for households with multiple pets, allowing them to come and go freely without need for constant supervision. 3. Great for summer days, providing your furry friends easy access to the yard for playtime while keeping your home secure.