DURABLE VINYL. Made of 4 mil thick, conformable vinyl and has an aggressive adhesive backing. Labels last up to 5 years outside. LAMINATED. Graphics are protected from weather and abuse. Graffiti can be cleaned off. Laminated labels outlast competitive unlaminated or overcoated labels. EASY TO CLEAN. Laminated vinyl labels are mar-resistant and can be easily wiped off to remove dirt, dust, or grease. INSTALLATION. Labels stick to flat or curved surfaces and can be used indoors or outdoors. GIVE A HEADS UP. When electrocution can be caused upon contact, use this Area In Front Of Electrical Panel Must Be Kept Clear For 36 Inches message to keep area around electrical panel, clear.