Michigan Wolverines 42" Auto Folding Spirit Umbrella. This Storm Duds Michigan umbrella measures 42 inches in diameter when opened and is small enough to fit in a purse or small bag when closed. This Wolverines Umbrella features a comfortable Michigan color rubber grip handle, push button auto-open and bold two-tone Michigan Wolverines colors and logo. This Michigan Wolverines UM umbrella includes a wide strap closure with your favorite Michigan logo. This U of M Umbrella is perfect for any Wolverines fan. Umich Officially licensed Michigan Wolverines fan gear.