Aside it being stylish, this Crane operator Travel Mug is a thoughtful gift as it is affordable. This travel mug makes for a thoughtful gift, with some people getting extra creative by putting tea bags, candy and sometimes chocolate bars inside the mug. Such extra effort is sweet! The materials that are used to make this Crane operator travel mug is the best qualities available. Our dedication to excellence means we don't leave any stone unturned in our quest to give you the best mugs. Dishwasher: These mugs can neither crack nor lose their prints after several wash. So, Wash on!