My Security Signs heavy-duty aluminum rectangle notice sign, legend "Notice - Private Property No Trespassing Customer/Employee Parking Only". Keep your parking lot from becoming a public one. Post signs to maintain a strict no trespassing policy. These rugged signs are made from heavy-duty, 63 mil thick aluminum. Unlike steel signs, our aluminum signs do not rust. Signs are printed with 3M screen printing or 3M outdoor digital inks designed specifically for outdoor traffic and parking signs - for the ultimate in durability. Signs have rounded, burr-free corners, for longer life and a professional appearance. Compare with lower costs signs that use a lower cost and often hazardous square corner. Thick 63 mil signs do not bend. They have been proven to outlast the toughest of storms. Signs have large holes for easy mounting. The holes are "cleared" (unlike competitors' signs). Measures 24-inches width by 18-inches height. Blue on white color combination.