3.78L Capacity: This sturdy half-gallon water bottle holds 3.78L of water to meet the daily hydration and fitness hydration needs of 1 adult during hard training outdoors and indoors.Track how much you drink Ideal for making sure you stay hydrated throughout the day, the time markers on the side of this water bottle can help you track your daily water intake and ensure you're getting enough water to reach your health and fitness goals.ECO-FRIENDLY: Made from the highest quality food grade PETG resin, this heavy duty water bottle is BPA free, odor free and can endure any busy lifestyle.Functional Design: With traditional screw and silicone gasket construction, the leak-proof cap tightly seals the bottle, and the half-water bottle won't retain any residual flavor of powder or juice.