This is a great protein shaker. The design is very good, almost as described. For anyone who wants to know, the “ball” is made of a sturdy plastic floating. It is neither soft nor sticky. I’ve read a review before, in which someone shakes/makes his drink break the bottom of his glass. But it must be difficult for them to do this, because you don’t need to use this protein shaker to make such a hard drink between the ball and the honeycomb partition, between the lid and the drink. The powder I use absorbs quickly in water and does not require much agitation, so I don’t understand how they scrape Protein Shaker Electric. Their powder tends to agglomerate. One more thing I want to say is that what I care about is oral medicine. That part is “fragile”, it will turn over and turn off the drink in place. It may be the wrong word, but I am worried that after using it many times, it will eventually leak or be completely destroyed. In addition, I admire its large size and handle. I especially like storing dry powder at the bottom of the compartment! A genius idea!