Heavy 5811 MOS Patch 4 1/2" X 3 1/4 with Iron-on Backing Show your 'MARINE PRIDE' as a 5811 Marine Corps Military Policeman MP - a TRAINED 5811 Military Policeman MP Great Detail and stitching - Great for a jacket or vest Excellent gift for a USMC 5811 Military Policeman MP Veteran Veteran Owned and Operated Business An awesome patch for any Marine Corps 5811 Military Policeman MP. This patch is detailed and heavy patch with the iron-on adhesive backing giving more durability. Great gift idea. Veteran owned and operated business.