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 60 yds Gaffer Tape Black
2" x 30' M82 SOLAS Marine Grade Tape - Silver
1" x 15' Reflexite V82 Reflective Tape - Yellow
3/4" x 60' Electrical Tape Red
1/4" x 45 yds Gaffer Tape Black
2" x 36 yds Vinyl Tape - Yellow
1/2" x 60 yds Grey Gaffer Tape
2" x 15' 3M 983-23 Diamond Grade Conspicuity Tape - Fl Yellow - Green 

