Flag of Switzerland is composed of five squares. The absolute width of the flag is given as 4.5 feet (105 cm), that of the cross as 3 feet (90 cm), for a ratio of cross to flag width of 2:3 ≈ 66.7% (as opposed to the modern 5:8 = 62.5%). The specifications include the flag pole and the ribbon with the cantonal colours attached to the pole (the example depicted is the flag of the Zürich battalion). The flag itself is described as of good silk cloth, four feet five inches squared, scarlet, in the center a white cross, arms measuring one foot
Flag of Switzerland squares until 1889, when its dimensions were officially set. The civil and state ensign of Switzerland, used by Swiss ships, boats and non-governmental bodies, is rectangular in shape and has the more common proportions of 3:2. The Swiss flag is one of only two square sovereign-state flags, the other being the flag of Vatican City. The emblem of the Red Cross is the Swiss flag with switched colours. According to the 2017 flag law (SR 232.21), "The Swiss flag shows a Swiss cross on a square background". Special provisions are made for the naval ensign and for civil aircraft identification.