Opening Sizes: from 24" to 36" wide Confine your dogs to a room instead of the entire house or to a crate. These gates are all steel and heavy gauge wire mesh with 2 inch square openings. The satin black or white ( small & med. only ) color, make them attractive for anywhere in your home. The gates are 36 inches high will close off an opening width, ranging from 24 to 36 inches. These gates slide and swing both ways to provide a clear, open doorway. All hardware is provided to attach gates to your wall or door frame. VERY DURABLE & ATTRACTIVE.... Locks available - $10.00