Introducing the bontrager trek silo water bottle 2014 this easy to use bottle fits in seamlessly with any bikes aesthetics made from a bpa free polythene with a great easy squeeze feel when the pop up sports nozzle is pushed back down the bottle is 100 leak proof so you dont have to worry if its upside down in your boot the wide mouth piece allows you to easily pour your sports energy powder in or even bits of ice to keep your drink cool and refreshing a handy 591ml bottle to own which w