This 20 gauge copper sheet is 32 Mil (.032 inches) thick and thirty-six inches wide by forty-eight inches long. It is manufactured to ASTM-B152 specifications, is annealed (dead soft and very malleable) with a smooth commercial finish, and is 99.9% pure copper alloy 110 . This sheet can be used for various craft and art projects, do it yourself and construction projects, electrical applications, manufacturing, and much more! This item ships in a wooden crate for superior protection during transit to ensure your sheet arrives without damage. 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!