A new innovative type of shaker with 3 convenient compartments. The benefits are you can now carry up to 3 protein shakes, or a mixture of pre or post workout drinks all in one smart shaker. With the removable sectioned compartment you can now store your amino acids, fish oils, vitamins and any other tablets or capsules, so you no longer need to bring separate bags with you, everything can be stored in one smart shaker! It also comes with a carabiner clip that can be attached to your waist or bag. If you don't wish to use the compartments you can also use this as a mini protein shaker to help you save space. All in all the gymadvisor smart shaker is practical, easy to clean, has measurements on the side of the shaker bottle and does not leak!