How to clean dust off my cards

Hey I was getting ready to send some cards to psa and I see that tbey have been collecting dust in these cheap sleeves I put them in. How should I clean them because they’re all psa 10 worthy cards

Bit of 180 sandpaper will do the trick for the fine dust

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Edit don’t do this please :joy:

If you own glasses , the cloth that comes with them would be perfect :blush:

Prob 240 grit to be safe