There has been a lot of recent buzz about the Core 150™ Shaker Cup. The Core 150™ has three different storage compartments for your chosen powder supplement.With this design you don’t need to carry around three separate containers for your pre workout, post workout or your protein powder. This is because they all are stored in the core of the cup. Simply remove the core and choose the compartment you wish to use. Then empty the contents into the 1L shaker cup. Once the core is returned, and liquid added all you need to do is shake. Each compartment holds up to 50g of powder.
http://vimeo.com/user9631753/core-150-shaker-cups-for-protein-shakes
Follow me on twitter @trainitright