... s demand such as AZD-Free material,Canvas,Polyester,Acylic etc5. Back ClosureVelcroBrass,Plastic, ,Velcro,Metal ... cap's quality and design14.Shipping MethodBy ocean,air or express15.Payment TermsT/T, L/C16. ... , production cycle, market test , risk control) Material advise.Polyester(cheap) – mainly for snapback hat , baseball capAcrylic(cheap) ... resolve the matters in time 100 % POLYESTER PROMOTIONAL CAP