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.

1/4" x 45 yds Gaffer Tape Fluorescent Pink
3/4" x 66' Electrical Tape Violet
1/4" x 45 yds Pro Gaff Purple Gaffer Tape
2" x 16' High Gloss Vinyl Trim Sew-On - Bright Pink
1/2" x 45 yds Gaffer Tape Burgundy
1" x 15' 3M 3000x Very High Gain Reflective Tape 

