SOLAS tapes are have a reflective surface comprised of encapsulated glass lens beadlets.
This tape (3150A) is highly flexible and adheres to rubber-coated cloth, vinyl-nylon laminated cloth, cured polyester cloth, PVC, aluminum, and helmets.
Approximate thickness of 3150A is 11-mils (0.011″) and 6755 is 13-mils.

1/2" x 45 yds Gaffer Tape Fluorescent Blue
3/4" x 36 yds Vinyl Tape - Grey (Medium)
1" 3M 8830 Adhesive Reflective Film Tape - Silver
2" x 15' 3M 983-71 Diamond Grade Conspicuity Tape - Yellow 

