Acrylic sealer, you can get it at Hobby Lobby, Michaels Crafts, etc...
From one of my holster exploits...
The white bottle is the sealer. I dyed a natural holster black and sealed, so far so good. If you can get the maker to fix, that is always the best route..
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If your not packin' your slackin'
Its better to have and not need than to need and not have, keep it safe but keep it loaded!
USN : Desert Storm