... :0.21mm-7.0mmMaterial:FR-4,CEM-1,CEM-3,High TG,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax ... PCB ,PCB of single,Double and Multi-layers,High frequency PCB ,etcPackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing single layer printed circuit board