Civil aviation is a respectable industry which is Convenient for our lives ,we often see different Stripes on the collars of pilots at the airport,The first bar: It represents Profession,The second bar: represents Knowledge,The third bar is Flying skill,The fourth bar: Responsibility,different Stripes means different meaning ,The design of this epaulette is inspired by the Pilot uniform of Civil Aviation ,the size is about 8.5cmx5cm (3.34in.x 1.97in) ,the material is Polyester cloth and metal wire, Available in black fabric, with 1 to 4 stripes,Stripes are reinforcement lined for a professional look,We hope that our products can bring more fun to your life