Material 40 mil Aluminum 40 mil Aluminum 40 mil Aluminum 40 mil Aluminum 40 mil Aluminum 40 mil Aluminum 40 mil Aluminum. Note: remove protective films from both sides before use. Very easy. It features a protective acrylic coating and a polished finish that not only gives the sign a glossy surface, but is also weatherproof and unaffected by sun, rain or wind, ensuring exceptional durability for up to 10 years of outdoor use.
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