PetSafe White Aluminum Pet Door for Sliding Glass Doors, Model PPA11-13130. Adjustable panel fits door openings from 91" to 96" tall. Large flap opening measures 10.25" wide x 16.375" tall, suitable for large dog breeds. Features a white aluminum frame that installs without cutting or drilling — simply slides into your existing patio door track. Includes a closing panel for when the pet door is not in use. Condition is like new and appears to be in original packaging. No damage or missing parts noted.