DURABLE ALUMINUM. Signs are made from heavy-duty, 40 mil thick aluminum. Unlike steel signs, our aluminum signs do not rust. Signs last up to 7 years outside.
smartsign
SmartSign "Danger – Do Not Climb Tower" Sign | 10" x 14" Aluminum: Amazon.com: Industrial & Scientific
DURABLE ALUMINUM. Signs are made from heavy-duty, 40 mil thick aluminum. Unlike steel signs, our aluminum signs do not rust. Signs last up to 7 years outside.