Retractable Hand Banners says Go Dons! As I grew up in San Franciso the Dons were my favorite team. Good luck againt Gonzaga on Jan 13th. Their retractable hand banner is a 1 color green on side one and a 2 color - green and yellow on side 2. White is a free color as it is the color of the banner. Use retractable hand banners to show your support for your team and at the same time advertise your company. Retractable hand banners can be used for fundraising for any event.