Give your pup a sense of independence with the Freedom Pet Door. This aluminum dog door has two-way, flexible, transparent panels that dogs feel safe and comfortable opening. Pet doors make training easier by helping to prevent accidents, scratched doors and inconvenient human trips outdoors on behalf of the dog. Use the locking panel security function when you"re traveling or away from home for long periods of time. The high-impact aluminum frame of this dog door has a white finish to blend seamlessly with your current door. Easy, step-by-step instructions for installation are included. The 16.5-in. x 29.25-in. door accommodates extra-large dogs up to 125 pounds.