SmartShake | Jug Black 2.1LThe SmartShake Ultimate Jug 2. 1L is a large capacity water jug designed to keep you hydrated throughout the day or during training. With a leak proof design, easy grip handle, and wide opening, it offers simple, convenient hydration without constant refilling. 2. 1L Capacity Reduces the need for frequent refills during workouts or busy days. Easy Grip Handle Designed for comfortable carrying and use. Wide Opening Design Makes filling and cleaning