This travel vacuum mug focus in particular on the design of the lanyard.Users are used to having the mugs around their wrist when they are walking thus allows both hands to be virtually free for other tasks. The 360 degree rotatable metal mechanism on the cap allows the lanyard can be easily used on any conditions. High quality leather material is specially used to make the users feel more friendly and comfortable. The main body made of double stainless steel, with the features of anti-fall and anti-scratch, and available in different colors.