* The TPU material and the air-tight zipper make backpack 100% waterproofing.

* The main compartment protects a laptop and larger items, while the front pocket allows quick access to smaller items, like your phone. 

*The air valve blows air into the backpack to keep it afloat on the water.

* Elastic and fasteners that can hold two sets of trekking sticks or adjust the webbing according to needs. 

* The ergonomic air flow back panel and shockproof shoulder straps and heavy duty waist belt provide ultimate comfort by taking weight off your back and relieve added pressure to help support your load.