Unique and Stylish Design: Cat Door - Four-Way Locking - Material: ABS - Is your cat square-shaped? Why use a boring square door? This indoor cat door features a unique cylindrical design that even the most bored cat will love. This stylish cat door allows your cat free access. Four-Way Security Mode - The dual-button lock offers four modes: In/Out, In/Out, In/Out/In/Out, and Lock. This allows you to easily control your beloved pet. After installing this cat door, you no longer need to frequently open and close the door or wait for your pet. Durable - All cat doors are made of durable, weather-resistant ABS plastic, comfortable and easy to use. With a robust structure made of 100% UV-resistant polycarbonate, the cat door is virtually indestructible. Easy Installation, Completed in Under 30 Minutes: No DIY or crafting experience required. Simply follow the instructions and use the cutting template to easily complete the installation. Suitable for 2.5cm thick hollow and solid doors. Suitable for: Glass doors and windows, wooden doors, PVC or metal doors, and brick walls (Note: Door thickness must be less than 2.5 cm). Transparent doors are especially suitable for glass doors and windows, serving as an aesthetically pleasing decoration. Superior Cat Door Design: The integrated cat door design allows your cat to freely enter and exit the room to find food and the litter box. At the same time, the closed door prevents other family members from entering, effectively blocking odors and allowing you to breathe fresh air. Unique Features of Indoor Cat Doors: 1. Provides your cat with a separate space, preventing your children from accidentally entering the room where the litter box is located. 2. The simple and elegant cat-shaped design is cute and understated, easily blending into your home décor.