The 3M Paper Drywall Sheets are designed for sanding drywall joint compounds (light or regular), patching compounds, and plaster. They are made with aluminum oxide, a tough synthetic mineral that cuts cleanly and leaves a smooth finish. The grit is 150C.
3M 99431, Drywall Sanding Sheet 99431NA, 4-3/16 in x 11-1/4 in, 150 Grit, 7000047933, 25 sheets/pack
$7.52
Factory Stock, 7-10 Day Leadtime, Priced Per Pack
3M Drywall Sheets are designed for sanding drywall joints, patching compounds and plaster. Made with sharp synthetic mineral for long-lasting performance. Pre-cut 4-3/16 in x 11-1/4 in and die-cut to fit most drywall sanding tools.

Dynabrade 62315 - 74 mm x 109 mm Non-Vacuum Hook & Loop Pad
3M 16159, PTFE Glass Cloth Tape 5453, Brown, 3/4 in x 36 yd, 8.2 mil, 7000050132
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354 
