The Kensington Series 20-Inch Free Standing Pet Gate. Free standing design - no mounting installation is necessary. Beautiful poplar hardwood construction. The gate legs rotate so that the gate can be stored under a sofa or in a closet when not in use. The wide leg base prevents tipping and the free standing design means that no installation is necessary. Easy sliding width adjustment requires no tools - just slide to desired width and set in place. These gates are handcrafted of mortise and tenon construction without the use of nails, pins or screws and the beautiful finishes are applied with care and attention to detail to ensure lasting durability. The 13/4" spacing on wood gates provides effective containment for most breeds. Dimensions: Small: 28" L x 1" W x 20" H (extends to 48" L) Large: 39.25" L x 1" W x 20" H (extends to 72" L)