OMRON BAGS Comfortable Airflow Back Design With Thick And Soft Multi-Panel Ventilated Padding, Gives You Maximum Back Support. Breathable And Adjustable Shoulder Strap Relieve The Stress Of Shoulder. Foam Padding Top Handle For A Long Time Carry On. A Backpack With USB Charging Function Outside & High Quality Cable Inside, This USB Backpack Offers You A More Convenient Way To Charge Your Phone While Walking Or Travelling. It’s Made of High Grade Polyester Material with PU Coating Which Makes It Light and Water Resistance Fabric, With Metal Zippers Ensure a Secure & Long-Lasting Usage Everyday & Weekend. Serve You Well As Professional Office Work Bag, Slim USB Charging Backpack Perfect for Business, Travelling, Weekend Gateways, Shopping & Outdoor Activities In Daily Life.