"Foolscap folio (commonly contracted to foolscap or folio) is paper cut to the size of 8 1\u20442 \u00D7 13 1\u20442 inches (216 \u00D7 343 mm) (for \"normal\" writing paper, 13 \u00D7 8 in (330 \u00D7 200 mm)). This was a traditional paper size used in Europe and the British Commonwealth, before the adoption of the international standard A4 paper.Ring binders or lever arch files designed to hold Foolscap folios are often used to hold A4 paper (210 \u00D7 297 mm, 8 1\u20444 \u00D7 11 3\u20444 in)."@en .