... -Free material,Canvas,Polyester,Acylic etc5. Back ClosureVelcroBrass,Plastic, ,Velcro,Metal buckle.Any kind of back strap closure6. PeakPre-curveSoft or ... cap sample quantity and basic logos. Cap,hat,baseball cap,mesh cap,trucker cap,visor,military cap,cotton cap,bucket hat ... per month is about 300,000 units. Due to the high quality, good price, timely delivery and excellent service, our products are ...