Ideal Pet Products Aluminum Modular Pet Patio Door, Adjustable Height 77-5/8" - 80 3/4" Modular pet door designed to fit in your sliding aluminum patio door - Adjustable height for standard aluminum sliding patio door sizes 77-5/8" - 80 3/4" Made from sturdy aluminum with clear tempered safety glass This item will fit Aluminum patio sliders only and comes in two modular sections that easily assemble into a full size Pet Patio Door. Small - 5" x 7" Flap Size, Magnetic vinyl flap Manufacturer Warranty does not apply to product purchased through Amazon Warehouse Deals Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!