These copper foil sheets are 1 mil (.001 inches) thick and six inches wide by six inches long – this pack includes ten sheets. They are manufactured to ASTM-B152 specifications, are annealed (dead soft and very malleable), and are 99.9% pure copper Alloy 110 (Certificate of Conformance available upon request). These sheets can be used for various craft and art projects (scrapbooking, paper crafts, punching, veneering etc...), do it yourself and construction projects, electrical applications, manufacturing, and much more! Basic Copper’s superior packaging provides maximum protection during shipment. If you are unsure of which thickness is right for your project, check out our Thickness Guide. If you have any questions, please don't hesitate to contact us via phone at 252-491-2812, via email at firstname.lastname@example.org, or through our "live chat" and we will be happy to discuss your project!