The Carlson Extra Wide Walk-Through Dog Gate with Small Pet Door is a durable pressure mounted metal indoor dog gate designed for doorways, hallways, and bottom of stairs. This expandable pet gate for indoor use provides a secure barrier for dogs while allowing small pets to move freely throughout your home. Designed to fit a wide range of openings, the gate adjusts to 29.5”–36.5” wide and stands 30” tall. It fits 29.5”–32” without the extension and 34”–36.5” with the included 4” extension. Important: This gate does not fit openings between 32”–34”. The convenient walk-through door features a one-touch safety latch for easy daily use, while the built-in 7.5" x 7.75" small pet door allows cats and small animals to pass through while keeping larger dogs securely contained. Installation is quick and wall-friendly with the secure no-drill pressure mount system, making it an ideal dog gate for doorways, stair gate, or pet gate for stairs. Designed by pet lovers, for pet lovers, Carlson Pet Products help create safer, more comfortable spaces for pets at home. American designed and family owned, Carlson is a trusted U.S.-based brand delivering dependable pet safety and containment solutions for over 20 years.