For Ball: put in water before use and Spühlmittel and soak well. Otherwise tastes the first drink after Metal. To cover. The Klabdeckel a click. I was afraid that he is going on. But is not the case. Practically also that it clicks into the open. So it does not depend on a nose. In the Behältniss is enough space for protein powders and tablets. The subjects for these are but dimensioned somewhat scarce. But enough for 2-3 Razionen.