"Fire Alarm Panel Inside" Label By SmartSign | 5" x 10" 3M Engineer Grade Reflective 3M AUTHORIZED. Made from Certified 3M components: inks, laminate and films. 3M Engineer Grade reflective labels shine brilliantly at night. DURABLE VINYL. Conformable vinyl has 7-year outdoor life and aggressive adhesive backing. LAMINATED. Graphics are protected from weather and abuse. Graffiti can be cleaned off. Laminated labels outlast competitive unlaminated or overcoated labels. INSTALLATION. Labels stick to flat or curved surfaces and can be used indoors or outdoors.