Available in 3/4" Wide or 2" Wide you choose. 

This is genuine 3M product I have the actual label from the 3/4" 3M box in the photo 

3/4" is 3M part #3990  DIAMOND GRADE .

If you order the 2" 3M TAPE it is 3M 983-10 model # 67537 DIAMOND GRADE it has

the DOT C2 Label right on the tape.

3M White Scotchlite VIP Diamond Grade Reflective Tape.  Extra thick and Extra bright ,super adhesive backing. Highly reflective up to 90 degree angle. 6 Times brighter than conventional reflective tape. 3M Scotchlite Diamond Grade Conspicuity Tape.