Dog Door for Sliding Glass Door 75 7/8"-80 11/16" Adjustable Height XL

Dog Door for Sliding Glass Door, 75 7/8"-80 11/16" Adjustable Height Doggy Door for Sliding Doors, Aluminum Frame Tempered Glass Pet Door with Hinge Structure Flap and Lock for Large-Sized Dogs Give Your Pet the Freedom to Roam Durable & Secure Design Adjustable Height Secure Locking Mechanism Available in Multiple Sizes Tempered Glass Window Net Weight (Including All Accessories): 23.1 lbs / 10.5 kg,Door Frame Material: Aluminum Door Frame,Window Material: Tempered Glass,Size: XL,Item Model Number: CWM03-XL,Dog Door Cover Material: Metal