Left Lane Must Turn Left Sign Material:Diamond Grade 3M 4000 Series Diamond Grade

3M 4000 Series Diamond Grade (DG3): Guaranteed for 12 year outdoor lifespan

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

Size: 12x18

Signs and Safety

Sizes Available: 18x18

Left Lane Must Turn Left Sign Material:Diamond Grade 3M 4000 Series Diamond GradeSize: 30x30 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):