RAINSMORE Rolltop Backpack Women Men Large Laptop Backpack 15.6 Inch Backpack Waterproof Black Backpack School Backpack Travel Backpack Daypacks

Expandable capacity: Rolled 44 * 31 * 13CM; Unfolded 62 * 31 * 13CM (18 liters to 26 liters). The adjustable roll top with snap closure allows this roll top backpack to offer expandable storage space, holds 3-5 days' clothes. Perfect for travel, school, leisure and cycling. MULTI-POCKET DESIGN: The backpack has five pockets, the main compartment can hold 3-5 days' clothes, the largest pocket on the front can hold A4 magazines; the organizer pockets can store small items such as pens and keys in an orderly manner; the smallest pocket can hold your wallet and other valuables;This backpack also has two elastic side pockets for a water bottle and an umbrella. Separate laptop compartment: The back of the laptop backpack has a separate laptop compartment and iPad compartment, which is heavily padded and can accommodate a 15.6-inch laptop and iPad, so you can store them separately without worrying about them being crushed or scratched. Comfortable to carry: This travel backpack is made of high-precision, lightweight polyester fibers that are waterproof, tear-resistant and scratch-resistant. Thickened and breathable padded shoulder straps and back can reduce the burden on shoulders and back. The chest strap with whistle buckle ensures that the daypack stays firmly in place, and you can adjust the tightness of the elastic straps as needed. Thoughtful design: External USB hole allows you to put the charger in your men's backpack instead of holding it in your hand. So you can play with your phone and charge it at the same time and have your hands free. (Note: The backpack does not include a power bank or cable)