These Aluminum No Parking Signs are created with a special reflective material that ensures pedestrians and vehicles clearly see your sign day and night. Your Aluminum Sign comes with a 5-year Guarantee, your signs are laminated and Anodized .on 040 Aluminum making the signs Rigid yet Flexible Metal Sheets. Made to withstand exterior and interior environments these Aluminum Signs are of the highest grade aluminum. Aluminum Rounded Corners Center Top & Bottom Holes Punched with a 2. 5 mil gloss Lamination. Check out our other Aluminum Sign Templates to print like the Handicap Sign and No Parking Signs.