LeeRooy PRBG25BLCK-01 Waterproof Backpack(Black, 20 L)

It is basically designed for 15.6 inch and smaller size laptops. The bag includes two main compartments, one front pocket, key ring and pen holder, side net pockets included a sleeve section for the Laptop. So, you can carry nearly whatever you need, making this bag a great selection for commuting or school.