Bike bottle by CAMELBAK. Silver ions in the inner walls of the bottle will ensure that the taste of the water remains unchanged throughout your workout.BIDON:capacity: 710 mlheight 22,5 cmthe inner walls of the bottle are made of polypropylene with silver ions, thanks to which the water does not change its taste.Innovative, self sealing Jet Valve mouthpiece eliminates splashing while riding. To make sure the liquid doesn't spill you can close the opening by turning the valvesuper lightweight and flexible bottle that responds to pressure for fast fluid flow and thirst quenching.easy to wash and clean, the mouthpiece is removablefree from BPA, BPF and BPSlarge boreHydroGuard Anti-Microbial Technology - FDA-approved HydroGuard technology is a silver ion chemical compound infused into the reservoir layer and tube. This technology is 99.99% effective in eliminating common bacteria and fungi from the layer of your tank, tube or bidon. The silver ions are embedded in the material, do not rub off or wear off during use and constantly keep your kit clean.