https://www.dexcraft.com/carbon-fiber-sheets-5-5-mm-0216-in-thick/4803-plate-panel-100-100-cm.html
Carbon fiber sheet 100x100 cm, thickness 5.5 mm (0.216") - Dexcraft
Carbon fiber sheet 100x100 cm (39.4"x39.4"), 5.5 mm (0.216") thick.
carbon fiber sheetcm