Caffeine Molecule Beaker : Caffeine Molecule Mug With Handle Graduated Beaker mug has a sturdy handle, Caffeine chemistry coffee mug nice thin borosilicate glass for easy and safe reheating. Fairly large volume,The graduation markings were correct up to 400 mL and the total capacity is 450-500 mL.Many complements at office meetings while drinking coffee . Control drinking through clear marker to save, restraint, healthier . Science themed clear coffee mug : Each glass features a detailed look at the molecules found in coffee, perfect for science and chemistry lovers. Glass cup iscarefully packed in an elegant gift box and chosen to make a lasting impression! Widely used :This mug can be used in the lab or kitchen to handle hot or cold liquids.scale markers does not wear off,Excellent quality, durability . Decent a great gift for the coffee drinking science, teacher, student, doctor or anyone interested in the science field.If you are looking for a great gift for the coffee drinking science, teacher, student, please search forB099QQRKC1 in the Amazon search bar.