Teh Carlson Flexi Pet Gate with Pet Door can span a 76-inch opening or be configured to fit unusually shaped or angled openings. Can expand to an incredible 13 feet wide with the use of additional 24″ extensions. Hinged posts offer an amazing variety of gate shape possibilities. Convenient walk-through design has an easy, one-touch release handle. Patented pet door is 10 inches by 7 inches to let small pets pass through, while everyone else stays put. Simple wall mounts are easy to install and remove. All-steel construction is sturdy, durable, lead-free, non-toxic and chew-proof.