It acquired primarily for home use. It performs its function very well, mix without lumps. The first days smelled plastic rubbed with alcohol - the smell has disappeared. There are 2 dimensional scale: at first did not notice the scale in ml and a few days measure ounces. However, in my opinion, the shaker is very cumbersome - neither shaken nor hold with one hand to me, at least, uncomfortable. While the rest are very good, so that in this case, the size - it is not important)).