This sliding glass dog door panel adjusts from 75 7/8 in to 80 11/16 in for compatible door openings. The M-size Pvc flap is intended for medium-sized dogs, while the rotating hinge supports routine entry and exit. The aluminum alloy frame includes tempered glass window material for a panel-style insert. Its slide-in design works with compatible door tracks without cutting into the wall, making it suitable for renters and temporary arrangements. Listed item weight with accessories is 16.9 lbs.