The Rogue Energy shaker cup is the perfect on-the-go nutrition shaker bottle. The compact 16oz (500ml) capacity and light weight make it easy to store in a backpack or any cup holder. The removable, plastic whisk make this the perfect shaker cup for protein shakes, smoothies, powdered energy drinks, preworkout, and meal replacement drinks. The easy open, leak proof flip lid and extra wide mouth makes enjoying your beverage even easier