Expands from 27" to 40" wide, 24" high. The Guardmaster II's new 24 height and slimmer design includes the same structural integrity that has become synonymous with the Guardmaster® II brand. Guardmaster® II Wire Mesh Gates include FDA approved coated wire mesh that gives ultimate strength and makes it ideal for PETS Too! It still is completely portable, fully assembled and requires "No Tools" or "Hardware" to install.