United States Navy Engineering Rating BT Boiler Technician Patch - Veteran Owned Business Heavy Rating Patch 4 1/2" X 3 1/4 with Iron-on Backing Show your 'NAVY PRIDE' as a TRAINED Boiler Tech BT Great Detail and stitching - Great for a jacket or vest Excellent gift for a Navy BT Boiler Technician Veteran Veteran Owned and Operated Business - Retired Marine