Caffeine Molecule Beaker Mug With Handle Graduated 350mL (400mL Volume) Great way for a chemist to start their day! A caffeine molecule diagram adorns this clever glass mug. What a great gift for a teacher, student, doctor or anyone interested in the science field. This mug can be used in the lab or kitchen to handle hot or cold liquids. Beaker mug has a sturdy handle, a total of 400mL with graduations up to 350mL. Made from borosilicate glass for easy and safe reheating. Colors are assorted and chosen at random.