The Sistema® Hydrate Tritan™ Screw Top has an effortless screw top lid with easy flow opening. It has a built-in loop designed to hold the lid and can also be used as a carry handle. This product is dishwasher safe (on the top rack) and is freezer safe. This drinks bottle is perfect for school work, sports and picnics to keep hydrated on the go. Available in 650ml and 850ml capacity.