... custom size2.Material: aluminum,stainless steel,brass,silicone rubber3.Thickness:0.5mm,0.7mm,1.0mm4.Usage:promotion1)Logo: by printing or ... : with epoxy(optional)5.Attachment:ballchains or safety cord,silicone rubber silencer,key ring ........................................................................................................Feature:1). Plating: gold, anti-gold, pearlized ...