You Get 4 Decals in Total: 2.5"x 5" Warning This Vehicle is Equipped with a Real Time Gps Tracking Device Decals. If You want to help deter Vehicle Theft, Put Our Real Time Gps Tracking Device decals on your Ride. They Also Look Great on Your Amplifier Case or Car Subwoofer Box. As long as it's a Clean Hard Flat Surface, They will Standout Beautifully. Outdoor Durability in sun, snow or rain. These are Waterproof vinyl decals that can be applied to your Car or Truck and on just about any flat/semi flat clean hard surface. These precision die cut vinyl Stickers will give you years of enjoyment.