This sliding glass pet door panel installs effortlessly into your patio door track with no tools or permanent modifications, ideal for renters. Height adjusts from 91 to 96 inches to fit various frames, and the aluminum alloy frame with tempered glass provides weather-resistant strength. A built-in lock secures the door when needed for nighttime or away safety. The upgraded metal plate and hinge ensure smooth durable operation in cold temperatures. Your pet enjoys comfortable passage through the flap opening whether a small cat or large dog. Simple setup means installation takes just minutes.