Give your dog freedom to go potty on his own schedule. The Sliding Glass Pet Door, 2-Piece is the perfect pet door solution for apartments, condos and rental homes. The pet door adjusts to fit into your existing sliding door tracks which means there is no need to cut into a door or wall. Installing the pet door is a quick, DIY project - simply attach the 2 panel pieces together and secure the door in place. If you and your furry friend ever move, you can easily take this sliding glass pet door with you! Use the included latch kit to lock your human sliding glass door once your pet door is installed. If you want your dog or cat to stay inside at night, simply slide in the closing panel to keep your pet secure inside your house. This energy-efficient pet door has a flap with a magnetic closure and comes with weather stripping to keep the elements out of your home. Your pet deserves the best. Trust PetSafe to help keep your pet healthy, safe and happy. Perfect for Rentals and Apartments - This rental-friendly door is easy to install and detach using removeable adhesive strips so you can easily take it with you when you and your furry friend move Added Locking Security - The latch kit enables your sliding glass door to lock, and the slide-in closing panel adds another level of security when your pet isnt using the door Energy Efficient - The door has weather stripping and a tinted flap with magnetic closure to keep the heat and cold outside Strong and Durable - Built to withstand heavy use, the door has an aluminum frame and tempered glass; 1 year warranty SMALL PETS: Flap opening is 5 1/4 W x 8 3/16 in H for pets up to 15 lb MEDIUM PETS: Flap opening is 8 1/4 W x 12 3/16 in H for pets up to 40 lb LARGE PETS: Flap opening is 10 1/4 W x 16 3/8 in H for pets up to 100 lb 1 year limited warranty Note: This product may require up to 2 additional days for order processing prior to shipping