Large and wide - Fits 29.5-40.5 in openings. Must measure your openings before purchase this extra wide dog gate Double safety durable - Double-lock system, safety design. Heavy duty durable steel frame pet dog gate can defend 200lbs highly impacted Easy to install - Simple pressure-mounted installation requires no tools, drilling, easy to put the tall pet gate together Auto close gate - No worries forgetting to lock the safety gate, it will close automatically, easy one hand operation Wide compatibility - Perfect dog fence gate for doorways, hallways, bottom of stairs, kitchens, laundry rooms, bedrooms and playrooms If any question, we will make it correct as soon as possible