Product specification our myprotein core 150 shaker in black is the only shaker on the market where compartments can be inside as part of the design extremely unique with a 1l capacity this shaker allows you to transport your supplement powders with you at all times the 3 separate compartments are perfectly tailored to store your pre during and after workout supplement powders also you can remove the entire compartment section to increase your shaker volume to deliver superior mix ability