Keeps Your Home Comfortable: The PetSafe Extreme Weather Sliding Glass Pet Door Replacement Flaps help maintain indoor temperature with an insulated pet door flap design Built for Harsh Conditions: Designed with a center insulated flap and outer vinyl layers, this extreme weather door flap offers long-lasting protection from wind and rain Quick & Easy Installation: These sliding glass door replacement flap options are made for fast replacement flap setup with simple 3-step installation for convenience 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