Deptron Unisex Backpack - BlackThis 30L capacity backpack is great for day trips and excursions. If you are going on a hiking trip, you can fit in all the essentials including food, water, extra socks and emergency supplies. Plus if you plan on using it for your commute to work, there is an internal padded laptop compartment. The padded back support will also help to prevent unnecessary back pain that can often come from carrying heavy backpacks. 30 Litre Backpack 3 Compartments