The elite ombra membrane 550ml bottle with a soft easy to use oversized valve and an integrated jossa membrane to prevent splashes and spills the ombra packs in a lot of innovation at a great price th cap features an oversized nozzle that is taste free softer on the mouth and delivers fluid faster than conventional versions elite ombra membrane 550ml bottle features innovative jossa membrane prevents unwanted leaks and avoids having the close the valve between drinks as with t