This mat is 11 ½ inches X 16 inches. It works great to place on top of your close up briefcase for parties where you are mobile and using your case and tray stand as your platform. Also, handy for strolling magic such as at parties where food is not the main concern, such as receptions, open house, golf outings, etc. where you have more room and want to include bigger routines. All Around Mat.