"Notice - No Dumping Allowed" Label by SmartSign | 7" x 5" 3M Reflective Decal DURABLE VINYL. Conformable vinyl has 7-year outdoor life and aggressive adhesive backing. 3M AUTHORIZED. Made from Certified 3M components: inks, laminate and films. 3M Engineer Grade reflective labels shine brilliantly at night. LAMINATED. UV-resistant, weatherproof overlaminate protects the label from moisture, solvents, chemicals, abrasion and fading. GIVE A HEADS UP. Convey your No Dumping notice with this label - before you have to intercede personally. INSTALLATION. Labels stick to flat or curved surfaces and can be used indoors or outdoors.