Reflective Hydration Backpack, Hydration Pack - Water Backpack with 2L/3L Hydration Bladder, Essential for Festivals - Rave Hydration Pack for Hiking, Running, Cycling, and FestivalsComfortable and Lightweight: The water backpack is designed for comfort with fully adjustable shoulder chest straps and no bounce. It is ultra light, streamlined, and fits all sizes comfortably 2L Hydration Bladder Included: The hydration backpack comes with a PVC & BPA free 2L hydration bladder that is leak proof and easily removable via the main pocket. The oversized 2 inch wide screw cap allows for ice and easy cleaning Fun Designs & Colors: The