LuckyPet Firefighter Pet Alert Stickers, Ultra-Bright Reflective Vinyl by 3M (See The Difference!), Two or Four Pack, 3 x 5 Peel and Stick- from Firefighter Pet Alert Stickers - Made of 3M Reflective Vinyl Material - Weatherproof! REFLECTIVE so firefighters can see the sticker in any condition! 3" x 5" Sticker - Semi-Permanent Adhesive on Back - Stick to Windows/Doors Protect your pets in case of fire! REFLECTIVE is more visible than non-reflective! See All of Our Pet Products! - Click on LuckyPet (under the title of this page)