The size of the tourist poster design. The specifications of the tourist poster depend on the way the poster is displayed. Generally, if it is displayed on the network, the specifications suitable for the network can be used, such as: friends circle (1181px×1921px or 1441px×2561px) and webpage banner (width 1921px, height set according to actual needs). There are three commonly used specifications for real drawings: large (61cmx81cm or 61 cm x 91 cm), medium (31cmx42cm) and small (21cmx31cm).