Our officially licensed, soft microfiber glasses bag with the Michigan St. Spartans logo on one side and the team name on the other. The microfiber bag protects your glasses from scratches and can be used as a cleaning cloth. Officially licensed College product. Microfiber Glasses Bag. Microfiber Glasses Bag. Microfiber Glasses Bag. Michigan St. SpartansMicrofiber Glasses Bag. Is made by Siskiyou Gifts.