Have the Shaker now taken almost 3 weeks to the gym and I'm thrilled. The lid and the drinking spout is 100% leak-proof (Nowadays not always so) and easy to reinigen.Der powder container is sufficient for one to two shakes, and in the pillbox is also plenty of room for the food Serge supplements you braucht.Die studio metal sphere is a good alternative to conventional screen, I find the shakes are much creamier and have no / little klumpen.Natürlich the result is strongly dependent on the protein places abhänig you verwendet.Ich did it with Scitec Whey and Syntha 6 BSN, and K6 of bb Genics tried and Shak was always perfect, not lumpy, and very cremig.Kann him only recommend a good shaker at a good price.