【Large Travel Backpack】This carry on backpack is made of waterproof durable polyester, good air permeability and heat dissipation with two padded shoulder straps, offers lightweight carrying and of force reinforcement,keeping cool when you carry it for a long time. And it is tough, firm and does not fade. | 【Separate Shoe Compartment Design & Wet Bag】The main compartment of this luggage backpack can be opened 180 degrees, making it convenient for you to place items. Different pockets have different purposes. The wet bag is made of high density water resistant material can help you to separate dry items and wet items,if you have wet clothes or towel,you can put it in wet bag. A separate shoe compartment can help you carry and keep your shoes better in your travel bag. | 【Laptop Backpack】 This backpack has an independent computer compartment that can protect your laptop and make storage more organized. | 【Anti-theft Multifunctional Backpack】There is a zipper pocket on the back of the bag, which can store valuables such as mobile phones and iPads, which is anti-theft and convenient. Multifunctional Daypacks：Hybrid (Backpack/Duffle Bag/Shoulder Bag/Travel Bag) conversion. Can be used several different ways. It can be served as work backpack,spacious college backpacks, gym backpack or daily use at anywhere for weekend getaway,occasiona. | 【SPACIOUS】External dimensions: (L*W*H)14.17"*7.87"*17.72".