Product Description: The Sistema hydrate Tritan traverse has an effortless screw top lid with easy Flow opening, perfect for school, work, sports and picnics to keep hydrated on the go. 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. The Sistema hydrate range is easily washed by hand in hot soapy water, or its safe in the dishwasher on the top rack. Alternatively hand wash it in hot soapy water and then place it in water for five minutes with a sterilising solution. Under normal use this should be sufficient to clean the lid. Designed and made in new Zealand. Phthalate free and BPA free.