This fitness shaker holds 17 ounces of liquid in the top compartment and 1/2 cup of your favorite protein or other supplement powder, nuts, trail mix or other snacks in the bottom compartment. Other features include ounce and milliliter units of measurement, a wide mouth opening for easy cleaning, and a flip-top lid that wont get in the way when drinking. Sturdy and portable carrying handle fits most car drink holders. Made from pp+pe material, measuring 17oz, this custom fitness shaker cup with pill box.