Stay hydrated with this Ice Shaker Tumbler from Wincraft. It features a laser etched Minnesota and Golden Gophers on one side, with the M on the other. This tumbler will keep your drink cold up to 30 hours with it's double wall insulation and stainless steel material. It fits in all standard cup holders, is easy to clean and dishwasher safe (top rack), and includes a twist-off agitator.