Military Tactical 3L Water Bag Hydration Carrier
Backpack material: high-density Oxford waterproof fabric.
Inside: TUP environmental-friendly materials.
Capacity: 2.5L/3L.

Accessories: 
Bayonet slot.
Water bag body.
Crew cover mouth.
Water pipe.
Water tank.
External backpack.

Use:
Outdoor Travel, Hiking