Do you want strong and clear packaging? Crosslinked POF shrink filmĀ is a great choice. It is stronger than normal POF film. But which thickness is best for your product? The most common sizes are 15 micron, 19 micron, and 25 micron. This simple guide will help you pick the right one. What Do the Numbers Mean? Micron (mic) = how thick the film is 15mic = very thin (like 60 gauge) 19mic = medium thin (like 75 gauge) 25mic = thicker and stronger (like 100 gauge) Thinner film co