The Elite Ombra Membrane 550ml Bottle packs in a lot of innovation at a great price. Elite Ombra Membrane 550ml Bottle Features Cap features an oversized nozzle that is taste-free, softer on the mouth and delivers fluid faster than conventional versions Innovative Jossa membrane prevents unwanted leaks and avoids having the close the valve between drinks As with the original Corsa, the Ombra's cap is designed with a blow-off feature designed to allow the bottle to deform when run over, preventing it from becoming a hazard if dropped during a race or ground ride Redesigned bottle form is designed to mesh perfectly with Elite cages for perfect hold with easy insertion and removal but will fit any standard 76 mm cage All components are recyclable wherever plastics are collected 100% BPA free and Dishwasher safe