Thermos™ vacuum insulation technology for maximum temperature retention, hot or cold. Durable stainless steel interior and exterior. Non-slip, scratch-resistant base. Comfortable silicone rubber grip. Flip lid opens for drinking; snaps closed. Fits in most automobile cup holders. Keeps hot for 3 hours. Keeps cold for 6 hours. 14 Oz. Compatible with most single cup coffee makers. Dishwasher safe. Complies with CPSIA, Prop 65. 7.25" H x 2.5" Diameter