All Signs to You parking signs are manufactured in the United States of America. The company uses the highest quality .080 thick aluminum to make their signs, with rounded corners and no sharp edges. Signs are pre-drilled and easy to fit when you get them. Aluminum is rust free and lasts much longer than steel. If you do your web research you will find that other sign companies sell parking signs that are half as thick (.040) and fall apart fast when used outdoors.