JanSport, JanSport 1.5-Liter Hydro Dynamic Reservoir All Backpack Accessories >>> Backpack Accessories by JanSport More details and ordering info. User input on JanSport 1.5-Liter Hydro Dynamic Reservoir by JanSport: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines