Made of food grade 18/8 stainless steel that doesn’t impart or retain flavor Vacuum insulated double-wall design keeps your drink hot or cold Powder coated surface offers excellent grip even while wearing gloves Drinking lid opens and closes with a slight turn Streamlined design for easier handling and a unique look Large mouth opening is easy to fill and clean Primus Slurken Vacuum Mug 0.4L | GWC