Waterproof backpack with USB charging port laptop backpack unisex school bag

size:33 x 20.5x 46 cm

 Main material:Polyester

Feature:Storage Space & Pockets:One separate laptop compartment hold 15.6 Inch Laptop as well as 15 Inch,14 Inch and 13 Inch Macbook/Laptop.
COMFY&STURDY: Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Breathable and adjustable shoulder straps relieve the stress of shoulder. Foam padded top handle for a long time carry on
FUNCTIONAL&SAFE: A luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. With a hidden anti theft pocket on the back protect your valuable items from thieves.
USB PORT DESIGN: With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. Headphone Jack: you can listen to your favorite music on the go hands-free.
DURABLE MATERIAL&SOLID: Made of Water Resistant and Durable Polyester Fabric with metal zippers.