This copper sheet is 26 gauge/16 mil (.016 inches) thick and eighteen inches wide by twenty four 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 (Certificate of Conformance available upon request). This sheet can be used for various outdoor /garden projects (e.g. capping fence posts, pier pilings, and exposed beams to protect the wood from harsh weather). It can also be used for exterior flashing or interior/exterior cladding when 22 Mil is not required, various craft and art projects (e.g. free-standing sculptures, wall sculptures, paintings, jewelry making, and more), water features, fireplace surrounds, do it yourself projects, and construction projects. It is a popular choice for countertops, tabletops, bartops, and backsplashes, rangehoods, 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 email@example.com or through our "live chat" and we will be happy to discuss your project!