.040 Aluminum signs are the longest lasting type of yard sign. It is very durable and guaranteed to last for a minimum of 5 years and will not rust. Our aluminum signs two corner options, straight corner and 3/4-inch rounded corner. Aluminum signs are UV printed vinyl mounted on .040 sign blanks.Features:Available sizes 12"x18", 18'' x 24'', and 24'' x 36''High resolution digitally printed at 720 x 720Double side printing is availableIndoor and outdoor use, waterproof and UV safeMaterial:.040 Aluminum SheetWARNING: This product can expose you to chemicals including Diisononyl phthalate (DINP), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.