Extreme Temperature Protection: The PetSafe Extreme Weather Pet Door triple-flap thermal barrier is rated 3.5x more energy efficient than standard doors, helping maintain the indoor temperature Easy DIY Installation: Fits most exterior doors made of wood, panelling, PVC, or metal sized 1 5/8" - 2 1/4" thick; includes snap-on locking panel for secure flap closure and controlled pet access Versatile & Durable Pet Door: With a paintable plastic frame, this door can be customized to match your home's design; available in three sizes to best fit your pet 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