- Easy access for cats and dogs: provides a convenient entry and exit point for your pets, allowing them to come and go as they like. - Perfect fit for sliding glass doors and windows: round clear flap door designed to integrate with sliding doors and windows, ensuring a secure and tight fit. - 4-way locking system: enables precise control of your pet’s access with four options inside only, outside only, fully locked, or fully opened. - Includes liner kit: liner kit included to ensure easy installation and a tight seal that helps keep out draughts. - Use scenario 1: You want pets to have the freedom to go outside or stay inside during the day, with the option to lock at night. - Use scenario 2: You already have sliding glass doors or large windows and need a discreet, secure pet door that fits cleanly with minimal modification. - Use scenario 3: A multi-pet home where you want to assign access (for example, inside-only for some pets, outside-only for others) without needing separate doors.