Three pack of custom cut foam designed to fit just inside your Portal or Portal X.
Thickness of .050" for two (just under 1/8" for both) and one larger .24”.
Works great in conjunction with the following setups:
Portal with X300, X300V = 1 or 2.
Portal X with Modlight PL350, = 1.
Streamlight with XS Sights Glassbreaker = 1.