Hydrapak ultraflask it 500mla collapsible, lightweight flask with a rugged, abrasion resistant tpu construction with rf welded seams.
the soft material conforms to any pocket and can be comfortably carried in your hand.
the flask comes with a large opening for easy refilling and cleaning with a 42mm opening.
the high-flow bite valve auto-seals after each sip which prevents leakage when on the go.
featurescompletely free from bpa and pvctop-rack dishwasher safelarge 42mm opening for easy filling and cleaninghigh flow bite valvepacks down as you drinksoft material conforms to any pocketthermoplastic polyurethane and silicone construction500ml maximum volume capacityweighs 44gdimensions: 255mm x 60mmbuy hydrapak water bottles from chain reaction cycles, the worlds largest online bike store.