Model：LYzwp007
Outer material：Nylon
Inner material：Polyester
Piggyback system：Curved shoulder straps
Size：17.2 x 11.54 x 2.36 inches/Customized
Recommended travel distance：Medium distance
Hydration capacity：2.5 Lift
Hydration Bladder Opening：3.4 inch
weight：0.71 Kilograms
Color Options：Customized
Pack Size (empty)：22x 14" x 6" (50 x 30 x 5)