... 1.100% cotton 2. Us flag embroidery logo 3. Strap: Velcro 4. EN71, SGS us flag baseball cap BC-0071 ... etc3.logo: embroidery, heat transfer,print,patch4.Strap: metal buckle, brass buckle, velcro, leather, elastic, etc5.OEM is available6.Sample for evaluating ... , Acrylic and etc4 back closureVelcroPlastic, Velcro, Metal buckle, elastic. And any kind of back strap closure5.VisorPre-curvedSoft or Hard Pre- ...