Ban.do - Stainless Steel Thermal Mug in I am Very Busy Pink/Holographica very real scientific study that definitely exists said that this thermal mug will keep your drink so warm that itll literally warm your heart. seriously, we heard theyre putting that in textbooks and pamphlets and everything now. and we dont know about you, but were not ones to argue with (totally 100% legit) science. the details 3 in. x 7. 5 in. 3 in. stainless steel hard plastic lid (that can also be used on our stainless steel tumbler with straw)