3M Probation Plate (Reflective License Plate) 3M Probation Plate is created using 3M brand Scotchlite fluorescent Diamond Grade Reflective Sheeting. Fluorescent yellow reflective sheeting designed to provide high visual impact under night-time and daytime driving conditions, including low visibility periods such as dawn, dusk, and overcast days. Created with Scotchlite fluorescent Diamond Grade Reflective Sheeting Provide high visual impact under night-time and daytime driving conditions Manufactured strictly according to LTA P plate specifications and stringent 3M quality control process