The Standing Desk - 40" X 22" Woodgrain/black - Convert Your Desk or Cubicle to a Standing Computer Workstation Extra large and extremely sturdy 40 x 22 working surface **Essential** height setting range between 7.5 and 12.5" on assembly for a perfect, no-shrug experience. Rounded, plastic edges for comfort and stability. Created from stain resistant, durable, .75 melamine wood laminate. Elegant design befitting a professional environment