- High Quality: Constructed from durable, weatherproof ABS plastic, this cat door offers a smooth finish designed for lasting reliability and strength. - Locking Options: Enjoy four versatile locking settings - simply swing open, swing in both directions, or fully lock it. This allows you to control your pet's access precisely, ensuring convenience and security. - Easy Installation: Comes with clear, step-by-step installation instructions, making it simple to fit this pet door into windows, doors, cupboards, and more. - Size Compatibility: Perfect for cats up to 50 lbs with a waist circumference not exceeding 9.248 inches. The dimensions are 9.25 x 10.04 x 2.16 inches externally and 7.1 x 7.5 inches internally. A cutout of 7.7 x 8.3 inches is needed for seamless entry and exit, accommodating both cats and small dogs. - Practical Applications: Easily install in your home for your pet's convenience, whether in a side door for easy outdoor access, in a cupboard leading to their favorite hiding spot, or even in a window to provide fresh air and freedom. Choose this cat door for a functional and reliable solution that enhances your pet's independence while maintaining your home's security.