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 Small-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 Small-Sized DogsGive Your Pet the Freedom to RoamDurable & Secure DesignAdjustable HeightSecure Locking MechanismAvailable in Multiple SizesTempered Glass WindowNet Weight (Including All Accessories): 16.3 lbs / 7.4 kg,Door Frame Material: Aluminum Door Frame,Window Material: Tempered Glass,Size: M,Item Model Number: CWM03-M,Dog Door Cover Material: Metal