... size 4.high quality leather patch for hat 1:Product Information: materialgenuine leather, synthetic leather, pu, pvc,ect. ... and soft edgefeatureEco-friendly. washable, durable, colorful, etcdesignOEM design acceptableusageGarments, shoes, hats, toys, blankets, bags. ... strengthening. The concept contains everything from complete design services to production that guarantee reliability of ...