In Reply to: bali sunglasses polarised& uv400 sticker posted by octane on Tuesday, 22. July 2014 at 09:31 Bali Time:
Have a look at the link below for examples of how to test if glasses are polarized. Grabbing two pairs would be the easiest method in Bali and looking through both and rotating them. If both are polarized, they will go black at certain angles. See the link or Google for a better explanation.