Come and see our amazing products. The waterproof backpack has a large storage space with multiple pockets, and the maximum packaging space is 35 liters. Equipped with a padded laptop compartment, suitable for all laptops within 17.3 inches and 15.6 inches, and the flight size has been approved. The backpack is made of waterproof material and can withstand short-term rain washing. The two adjustable shoulder straps and handles of the backpack are reinforced. The shoulder strap can be detached and stored. The backpack can be hand-carried, cross-body and double-shoulder style carrying. Pls confirm further with us if any query about packing info, inventory status and time schedule.