... and Specifications Production name: Best Promotional Gift Insulated neoprene lunch bag Material: 3mm,3.5mm,4mm,4.5mm or ... 5mm Neoprene Color: Customized MOQ:5000pcsUsage: 1.Promotion gift, ... warm or cold for several hours. 2.Suitable scope: lunch, travel, travel, workOur Advantage:Facory supplier.reasonable price ... : Shenzhen dongguan Payment: T/T,Westren union Neoprene lunch bag