Ace 5 in. L X 3 in. W X 1 in. 400 Grit Super Fine Sanding Sponge - Ace Hardware
WORKPRO 24-Piece 9 x 11 Inch Sandpaper Kit, 40/80/120/400/600 Assorted Grit Sandpaper Sheets with Sanding Block & Sanding Sponge for Wood Furniture Polishing, Metal Sanding and Paint Finishing : Amazon.ca: Tools & Home Improvement