Amazon has the Dewalt line of mesh sanding disc for about half the price of anywhere else. My local Lowes sells them for $10. I was looking for 150 grit but it doesn’t look like they have them so i bought the 220 to try.
220 Grit
https://www.amazon.com/DEWALT-DWA…B01GW48TZ
120 Grit
https://www.amazon.com/DEWALT-DWA…NN5Z0YEEA
80 Grit
https://www.amazon.com/DEWALT-DWA…49Z8ES18F