GuggiR6 years ago000The description for the 0.34l size of this cup says it is 100% leakproof. This is not the case for the 0.5l size. Is the cup in this size also 100% leakproof?Show in original language (German)mresch656 years ago011 Helpful answerWhen new, the 0.5l Travel Mug is 100% leak-proof.Show in original language (German)Comment1 comment