These charts provide superior cancellation with red/green anaglypic glasses (not included). The single color charts are great for monocular-in-a-binocular-field training and the multi-color charts provide exceptional suppression monitoring during binocular vision training procedures. These charts can also be integrated into ocular motor, accommodative or visual perception/motor training procedures. All charts come on heavy duty 8 1/2" x 11" cardstock. The small chart sheets can be easily cut into individual charts, 6 to a sheet. Variety packs include both orange & multi-color charts in large (48 pt.), medium (36 pt.) and small (12 pt.) font type). Variety pack of 12 charts.