Protein Shaker 500 ml with Storage, Diet Shaker, BPA Free from the German pro sport brand FSA Nutrition® (White)

I've knocked stars off because I don't feel the plastic whisk attachment mixes my shakes very well - I've found that springy metal ones (spiral wire whisks) work way better.

Good size, 100% leak proof, mixes well and easy to clean. Been going strong for around 6 months.

Nice and good. Just the compartment screwing could be a little better.