Description 12 x 16″ IOD Acetate Sheets. Gridded with arcs and circles. Best to have a few on hand. You can cut them up for custom sizing, use them to use your brayer with paint and/or inks as they wipe clean. Acetate sheets have nay uses: Use the flexible sheet as a stamp mount, pallets, it guides to line up your stamp/s with your project. Arcs and circles to align your font stamps.