Saving male pollen sacks.

Is it possible to save and store a males pollen sacks before you chop them down for maybe lets say you want to pollenate a plant in the future because you want seeds from it?

very much so, i've been drying/freezing pollen for my own crosses, it's great
idea is to dry the pollen as fast as possible, moisture kills pollen, after it's dry it can be frozen for a long time
i've kept it good for maybe 2 years, maybe more, got a few vials of old stuff i'll be trying in a week or 2