Winter Guard International (WGI) is a non-profit organization that promotes the sport of indoor color guard and indoor percussion. Founded in 1977, WGI provides a competitive platform for teams to showcase their artistic and athletic skills through performances that combine dance, music, and equipment work. WGI hosts annual championships and regional events, attracting participants from around the world. The organization sets rules and guidelines for competitions, ensuring a fair and structured environment. Teams are judged on various criteria, including choreography, technique, and overall effect, fostering creativity and excellence in the performing arts.