Made with crystal clear K-resin and with an integrated membrane system for ease of use, the Crystal Ombra membrane is Elite's premium racing bottle designK-resin is not only beautifully clear and taste-free but has strong anti bacterial properties that make it on of the safest materials available for storing fluidsCap features an oversized nozzle that is taste-free, softer on the mouth and delivers fluid faster than conventional versionsInnovative Jossa membrane prevents unwanted leaks and avoids having the close the valve between drinksAs 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 rideRedesigned 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 cageAll components are recyclable wherever plastics are collected100% BPA free and Dishwasher safe