Wall-Mounted Pet Access: the PetSafe Wall Entry Pet Door installs in interior or exterior walls 4¾"–7¼" thick, ideal for homes where door-mounted pet doors aren't an option. Durable & Weather-Resistant: Features a rust-free, telescoping paintable frame and insulated, cleanable flap system for long-lasting, all-weather performance Secure & Versatile Design: For peace of mind, choose when your pet comes and goes with the included closing panel; large flap size fits pets up to 100 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