The Best Features Of This Bag Are Light, Sturdy, Concise And Elegant, With Shoulder Belt Adjustments And Padded Backs To Ease Neck And Shoulder Pressure, Providing Convenience For Travel At The Same Time. You Can Put Small Items And Mineral Water Around Each Other In The Independent Pocket On Both Sides. Provides Adequate Replenishment For Everyday Work And Outdoors, Perfect For Business Trips, Studying, Bicycling, Hiking, Travel, Festivals, Trade Unions, Concerts, And Agricultural Markets.