1. This lightweight pet door features a quality locking blade, allowing you to install an exclusive door in an interior or exterior wall. After your pet passes through, it automatically closes. Size: S 29 cm × 24 cm / L 42 cm × 37 cm. Suitable for dogs, cats, and other pets. 2. Stable Durable Pet Flap: Made of quality ABS material, ensuring firmness and durability. Easy to install, heatresistant, and resistant to deformation. Reinforced with screws for enhanced stability, ensuring it remains intact for longterm use. 3. SelfClosing Lockable: The dog screen door has a builtin magnetic mechanism that automatically keeps the door closed after your pet exits. This allows your pet to enter and exit , giving your cat or small dog more independence without disturbing you. 4. EasytoInstall Pet Folding Door: Our dog screen door is simple to install, with full instructions included. It's also easy for your pets to push open or close. Suitable for all doors, windows, panels, or any other screened area.