VEVOR Dog Door for Sliding Glass Door, 75 7/8" 80 11/16" Adjustable Height Doggy Doors, Aluminum Frame Tempered Pet with Hinge Structure Flap and Lock Medium Sized Dogs

VEVOR 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 Medium-Sized DogsGive Your Pet the Freedom to RoamDurable & Secure DesignAdjustable HeightSecure Locking MechanismAvailable in Multiple SizesTempered Glass WindowNet Weight (Including All Accessories): 17.9 lbs / 8.1 kg,Door Frame Material: Aluminum Door Frame,Window Material: Tempered Glass,Size: L,Item Model Number: CWM03-L,Dog Door Cover Material: Metal