1.all every products like aluminum and pc cover will be packed by PE bag first,then cartons. 2.50pcs aluminum profile will be one carton.(carton sizes:110*23*17cm) 3.400PCS pc cover profile will be one carton(carton sizes:110*23*17cm) 4.3000pcs end caps will be one carton.(carton sizes:58*48*48cm) 5.can accept customized packaging as your reqiures.