20 Minute Parking Sign Material:Engineer Grade Prismatic HIP sheeting is 3 times

HIP sheeting is 3 times brighter than EGP sheeting so that added reflectivity is important when you are driving 70 miles per hour on a highway in the dark

That's because our speed limit signs are made with 3M reflective sheeting and 3M UV resistant inks

the speed across the country has increased

HIP or DG reflective sheeting motorists can't miss these signs when posted on your streets or private property

Size: 18x18

20 Minute Parking Sign Material:Engineer Grade Prismatic HIP sheeting is 3 timesSize: 12x18 We make all our signs from . 080 thick aluminum. Other companies use steel which rusts, plastic which cracks or warps, or a thinner gauge aluminum (. 060 or . 040) which bends or buckles. Material Details We use 3M reflective sheeting and 3M UV resistant inks. 3M offers the following on their sheeting: 3M 3400 Series Engineer Grade Prismatic (EGP): Rated for 5 7 year outdoor lifespan 3M 3930 Series High Intensity Prismatic (HIP):