Enhance their morning commute with the 24 oz. color changing biggie tumbler! Made of AS material, it has a double wall construction for insulation of hot or cold liquids. The BPA free product features a thumb-slide lid top that will help prevent any spills of your favorite beverage. Hand out the practical promotion at tradeshows, conventions, and much more especially once you imprint your logo or company name on the front. Recipients will love to show off the color changing tumbler!