Keep yourself fueled while on your school or work commute - and keep delicate surfaces free of rings with this awesome tumbler with a real cork base. This stainless steel mug has double-wall vacuum insulation, a handsome powder coat finish, and holds 16 ounces of your favorite hot or cold beverage. The real cork bottom repels sweat and condensation, and makes for a neater drinking experience. Choose a color and add your organizational or corporate logo or message to create a promotion that will make the day for your traveling customers and supporters.