If you know, well, you know. Be proud of your ability to "function" no matter what day it is, as long as it ends in Y. The "normal" 11oz is perfect for when you actually managed to defeat the sun and sleep a little. The 15oz is for those days that you may or may not have binge-watched something instead of sleep...
.: White ceramic .: 11oz. (0.33 l) and 15oz. (0.44 l) .: Rounded corners .: C-handle .: Hand-washing recommended for best durability
