Vevor Pet Door 10.25 x 16.25 in. Flap 91-96 in. Adjustable Height Lockable for Sliding Glass Doors NewThis pet door is designed to fit sliding glass doors and give small to medium sized pets an easy and comfortable way to move in and out. It features an adjustable height design to fit compatible sliding door frames and uses an aluminum alloy frame with tempered glass for durability. The metal rotating hinge structure is built for reliable performance, including in colder temperatures. A secure lock helps control pet access when needed, and the no