This is a great shaker and doesn't smell which is awesome. The only fault I found was when washing with hot water the shaker gets very very hot. But other than that this peice of kit is incredible LOVE IT

Really nice looking bottle, unfortunately mine leaks a little. The volume graduations are also completely useless unless you use fluid ounces. The ml graduations are 147ml then 296ml and 443ml. So pretty useless as a shaker if you frequently use fluid ounces, but considering all the suggested use of protein shakes on this site uses grams and ml, it makes things much more difficult!

Good quality shaker, easy to clean, but as others have said the top is a bit awkward to tighten and loosen. The metal part of the top spins so you can't grab it in your palm and turn it, you have to use your thumb and finger to push against the mouthpiece and cover hinge to close. The big mistake is the measurements; the conversion between metric and imperial are completely wrong! Anyone who's had a bottle in a pub should know the 20fl.oz (1 pint) is 568ml, NOT 591 like it says on the bottle. Sort it out MyProtein!

Decided to give these a go, usually so accustomed to the plastic shakers. These are so much easier to clean, they don’t smell as bad either when you inevitably forget to clean it after a while. If anything collects at the bottom, just give it a soak for a couple of minutes and it wipes clean very easily

It simply works like any other shaker.