This water bottle combines various closure and drinking techniques in one. Removing the complete lid reveals a wide neck stopper (Ø 53 mm) with all the well known qualities, among which is a small screw stopper with a Loop-Top (Ø 1,7 cm) providing a sensible drinking size enhanced by an extractable nipple. With the integral straw one can drink without having to lift the bottle. Ideal for cyclists, in the car or during sports. The necks are lockable preventing accidental spillage. Tritan bottle and Polypropylene lid. As normal with Nalgene there is a fluid level indicator for the accurate mixing of mineral drinks etc. The way ahead... "