Main features:

tanluhu 15L Large Capacity: Its modest volume and 15L large capacity allow you to fill water bag easily. Consists of main water bag pocket, front water bottle pockets and 5.5 inches smartphone pocket, It also equips with exterior pockets, which you can store vacuum cup, keys, cash, etc.
Well Fit You: This item comes with extendable waist strap and adjustable chest strap, fitting most body sizes. Besides, it can fit your back closely, getting rid of rocking.
Strong frame and Durable Material: Made of ultralight water-resistant and tear-resistant nylon, polyester lining and breathable mesh.

Light Weight: The hydration backpack features a super lightweight, reducing much of the load during the trip.

Reflective Strip: Reflective strip on the front of backpack, ensure your safety for night cycling.

Versatility: This backpack can be used for more than just hiking, also suitable for almost all outdoor activities such as running, riding, camping, marathon, etc.

About Product:

- Capacity: 15L
- Bag size ( L x W x H ): 7.87 x 6.69 x 16.54 inches
- Chest strap length: 3.94 - 9.84 inches
- Waist circumference: 33.46 - 50.79 inches
- The maximum loading weight: 22.05pounds
- Material: nylon and polyester

Notice:
1. This product is compatible with 2L water bag , 500ML water bottle ( optional )
2. The two extra holders are fitted to 500ml water bottle and a pocket for 5.5 inches smartphone
3. Due to the manual measurement, there may be 0.78- 1.18 inches error
4. Except for the bag, the things in the pictures are not included
Product weight: 0.85 pounds 

2 L hydration water bladder is optional , pass the SGS , SGS is the world's leading inspection, verification, testing and certification organization and a globally recognized benchmark for quality and integrity. 100% BPA and PVC free

Wide opening , easy to fill water or clean

EASY DRINK

Light squeeze gives ample hydration. Drinking water by the straw directly or take it out easily without taking your running backpack off or stopping your steps. Convenient collapsible water bottle for your outdoor sports

PRACTICAL WATER BOTTLES

The folding water bottle with straw/nozzle can be frozen and chilled overnight, easily get a refreshing beverage on the hot day. Special soft hydration flask designed for daily and sports ( Recommended used temperature: 0 - 40 ℃ )