Ceramic Mug Capacity: 320 ml Dishwasher and microwave safe Get caffeinated in style! The Caffeine Molecule Mug features a representation of the chemical molecule of everyone's favourite mental stimulate, caffeine, or C 8 H 10 N 4 O 2 for the science geeks. This is the perfect coffee mug for science loving coffee addicts or anyone who loves a good chemistry joke. The Caffeine Molecule Mug comes packaged in a gift box for the perfect present. Choose a fun gift with a novelty mug that expresses their personality from the Gifts Australia range.