Copper Foil Bulk Rolls 1.4 Mil (.0014") Premium Copper Sheet-Alloy 110 (99.9% CU) Smooth Commercial Finish/Annealed (Dead Soft). See our Thickness Guide for help determining the proper thickness for your project. Email us at info@basiccopper.com or call us at 1-618-684-2784 if you have any questions!