1、Backpack is made of oxford fabric, which is breathable, water-resistant, super light, anti-tear 2、Coming with a anti-leak hydration bladder which can storage water of 2 liter, high quality material is pressure-tolerant, the valve on the pipe can adjust the water output 3、Anti-shock shoulder strap can be adjusted to guarantee proper fit and comfort, reduce the burden of pressure 4、Front mesh pocket for outdoor small items storage. side zippers of the bag ensure quick release of water bladder, the pipe can be pulled out through the bag along the shoulder strap 5、Suitable for outdoor uses, riding, mountain climbing, rock climbing, camping, fishing and so on Description: A essential item is suitable for riding, mountain climbing, rock climbing, camping, fishing and so on. It's water-resistant, super light, anti-shock, anti-tear, can be used in any weather. Coming with a hydration bladder can storage water of 2 liter, high quality material is pressure-tolerant, manufactured sealed closure cap prevents the water from leaking out. Features: 1. Backpack is made of oxford fabric, which is breathable, water-resistant, super light, anti-tear. 2. Coming with a anti-leak hydration bladder which can storage water of 2 liter, high quality material is pressure-tolerant, the valve on the pipe can adjust the water output. 3. Anti-shock shoulder strap can be adjusted to guarantee proper fit and comfort, reduce the burden of pressure. 4. Front mesh pocket for outdoor small items storage. side zippers of the bag ensure quick release of water bladder, the pipe can be pulled out through the bag along the shoulder strap. 5. Suitable for outdoor uses, riding, mountain climbing, rock climbing, camping, fishing and so on. Specifications: Material: Oxford Fabric Color Options: Red; Blue; Silver Gender: Unisex Capacity: < 20 L Hydration Bladder Capacity: 2 L Dimensions: Approx. 49 * 22 * 2 cm / 19.29 * 8.7 * 0.78 inch Package Weight: Approx. 300 g Package List: 1 * Backpack 1 * Hydration Bladder with Water Tube