Make sure your brand stays in the mix with this travel self-stirring coffee mug! Made of stainless steel and ABS plastic, the 13.5 oz. The self-stirring coffee mug is a great item for promoting schools, colleges, sports bars, auto dealerships, tea shops, cafes, coffee shops, restaurants, and more. The handle has a hidden button that initiates self-mixing when pressed. It can be used for advertising and as a promotional gift once you add your printed logo!