The water bag backpack is made of Oxford cloth and nylon water bag, which has a large storage capacity and abrasion resistance, and can be waterproof and leak-proof,The water bag is built into the backpack,you can find it by opening the backpack

The water bag backpack with a water capacity of 3 liters can be easily disassembled and cleaned, no smell, and environmentally friendly material. Meet the drinking water demand of outdoor sports, let people keep water input during riding and adventure, and easily complete various sports

Versatility: The hydration pack is ideal for cycling, camping, running, music festival, carnival, and kayaking.
The water bag backpack is equipped with a water injection hose and a push-in bite valve, which is convenient for walking without the hassle of removing the backpack to fetch water, but drinking directly to replenish energy.

Open the dust cover of the water pipe, bite the faucet with your teeth, and then gently suck out the drinking water with the force of your mouth

Product Name:Water bag
Size:17*4*44.5cm/6.69"x1.57"x17.51"
Material:Oxford
Lining:Polyester

Color:9 colors avaiable.as picture show.      
Weight:0.4kg
Capacity:3L
Function:Camping,Hiking,Cycling.Riding,Climbing ect.
Package include:1*water bag

Note: due to different measurement please allow 1-3cm error.