Plastic Imported Easy DIY Installation: The PetSafe Plastic Pet Door is easy to install in wood, PVC, metal, or paneled doors 1/16" - 2" thick, perfect for quick setup in interior or exterior doors Durable & Customizable: This rust-free, paintable plastic frame comes with a smooth swing, weather-resistant flap for long-lasting, pet-friendly performance that can be personalized to match your home Secure & Versatile Design: For peace of mind, choose when your pet comes and goes with the included lockable slide panel; extra large flap size has dimensions 13 3/4" x 23 3/4" for pets up to 220 lb Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families