NMCB 7 PATCH. Navy, Seabees, Naval Construction Battalion SEVEN, Magnificent Seven. Approx. 6" W x 3" H PATCH. High Quality Embroidered. Excellent Color. Very Durable with Iron On Backing. Great Detail and Stitching for a Jacket or Vest. Great Gift Idea for ANYONE, especially Seabees and Service Members who served with the NMCB 7. HatnPatch Is THE Veteran Owned Family Business. We Generally Ship Orders Within 24 Hours And Usually The SAME DAY!