An exceptionally large carpet woven for a grand formal room, in special sizes beyond the standard ranges, roughly from 12 x 18 ft (3.7 x 5.5 m) upward. Such sizes are often made to order, and workshops with access to very large looms and ample resources, as in Sarouk weaving, can produce them. A 13 x 20 ft (4.0 x 6.1 m) Kashan with a medallion-and-corner layout is an example of the scale. Dealers set the threshold differently, so the figure is approximate.