Adjustable height
Aluminum frame
Tempered glass
Openable pet door with hinge structure
Flap
And lock
Vevor dog door for sliding glass door 75 7 8 -80 11 16 height size l flap, for sliding doors, adjustable height, aluminum frame, tempered glass, openable pet door with hinge structure, flap, and lockgive your pet the freedom to roamsturdy & secure designadjustable heightsecure locking mechanismavailable in multiple sizestempered glass windowdoor frame material: aluminum door frame,window material: tempered glass,flap size: l,item model number: cwm03-l-g,dog door cover material: metal