NCAA Michigan - Michigan State Rivarly House Divided Flag with Grommets B.S.I. NCAA Flags This Officially Licensed full color flag showcases one of colleges best rivalries. This 3x5 flag features the logos of both schools and is perfect to display both indoors and outdoors. It has two grommets, an extra wide headband and is made of sturdy 150 denier polyester. Made by BSI Products.