* USA made bladder film, 0.40mm heavy-duty construction.
* Patent-pending foil-backed foam “InsoTek” insulated bladder.
* Keeps water cold up to 5 hours, or prevents freezing for up to 5 hours.
* Co-extruded insulated drink tube.
* 2L and 3L capacities available.
* 1/2-turn open/close, no-leaks, wide-mouth 80mm threaded fill port.
* 5/16” drink tube for greater flow capacity.
* Patented UltraValve/G3, bite-to-drink or twist 90-degrees for full-flow or cleaning/drying.
* Magnetic auto-locate tube retainer.
* Custom branding available.