1,Tracking service 2,ISO 3,Payment have L/C,T/T,D/P 4,Delivery need 20days 5,Material is aluminum 1,price :1.5-2.0USD/BAG2,Size:50mm,60mm(according tou client requirement,also color)3,Port:shunde4,Packing:normal packing ,also can according to your need5,Thickness:0.18(normal size) Retain aluminum clip