... Led epoxy resin transparent specification: 1 MaterialHigh level 304# stainless steel,aluminum, and acrylic sheets2Technique Processwelded,polished,brushed,painted, ... shell by stainless steel or galvanized iron, surface is epoxy resin, No rust ,Don't fade2. Packing:According ... advertisement, architecture, decoration, exhibition, and lighting. LED epoxy resin sign for famous brand logo(RoHS+CE+ISO9001)