The green BODUM stainless steel travel mug's stylish, streamlined design is our innovative, insulating double wall system.  It keeps hot and cold beverages at their best, so you can savour every sip. Rest assured that the exterior stays cool even when the contents are piping hot. Durable and robust, this stainless steel travel mug is wrapped in a non-slip silicone sleeve for comfortable carrying, and has a secure lid with drinking aperture.