Elite Jossanova 550ml smoke/greenMEMBRANE TECHNOLOGY FOR A NEW WAY OF DRINKINGThe innovative medical-grade valve allows you to sip drink simply by squeezing the bottle ensuring a regular hi-flow of liquids (47 ml/ sec). It even self-seals to eliminate splatter on your frame or jersey. The valve with flush insert prevents depositing of dust or dirt whilst riding. Constructed with a proprietary blend of polyethylene to keep you tasting your beverage and not your bottle.New opening and closing mechanism thanks to which the cap can be completely removed for better cleaning. Soft food-grade rubber drinking cap.