Copper Foil Bulk Rolls 1 Mil (.001") Premium Quality 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. Please don't hesitate to contact us via email at info@basiccopper.com, phone (618-684-2784), or try our "live chat" feature for immediate assistance!