The Utah flag in several sizes and materials. From 3X5′ up to 12’x18′. Flags are available in durable nylon and strong polyester2 material. We also offer complete indoor flag sets with an 8′ pole! On January 4th, 1896 Utah became the 45th state admitted to the Union. The current flag of Utah wasn’t officially adopted, however, until February 2011. Today’s Utah state flag consists of the seal of Utah, encircled in a golden circle on a background of dark blue. This new flag replaces a similar flag that had been in use since 1913.