a reusable sign / banner system which includes flexible static cling vinyl indicia and a sheet of flexible , smooth , non - porous , flaccid plastic material . the indicia are electrostatically adhered to the plastic sheet . the indicia are cut in a plurality of shapes and forms as to form letters , numbers and symbols for the purpose of creating signs and banners to communicate words , numerical expressions and directions . in use , the indicia are peeled from a plasticized paper backing sheet and applied to the flexible , smooth , non - porous plastic material in a variety of configurations . the banner material can be hung by grommets installed in the sheet of flexible , smooth , non - porous plastic material or displayed against any irregular or curved surface or hung across open spaces . both the static cling vinyl and the flexible , smooth , non - porous plastic material can be provided in a variety of colors to facilitate visibility .