Key Features:Keep Water Colder Longer: Insulation Keeps Water Cold Twice As Long,Trutaste With Hydroguard: Taste Your Beverage And Nothing Else,Optimised Cage Fit: Engineered To Fit In A Variety Of Bottle Cages,Easy Squeeze: Get More Fluid With Less Effort,High Flow And Self Sealing: Cap Maximises Flow Rate While Eliminating Splatters And Spills,100% Free Of BPA, BPS And BPF: Ride Clean, Drink Clean,Cap Disassembles For Easy Cleaning: All Parts Can Separate For Thorough Cleaning.