Amazon.com: VANKEAN 17.3。?Large Capacity: The separate laptop fits up to a 17.3\'\' laptop. The large main compartment is roomy for daily necessities, such as A4 folders, power bank, lunch box, umbrella, and clothes. ?Easy Access: Front quick-grab compartment of the backpack allows you to put your passport , tickets and credit cards. (with RDIF Funticon) Backside anti-theft zipper compartment keep your phone or other valuables. Side pockets with buckles to prevent your water bottles from falling out. ?Comfortable Carrying: Extra padding shoulder straps make carrying stress-free, breathable sponge keeps you from sweating. All the thoughtful designs provide a comfortable experience for your travel. ?Size Dimension: 17.7*13.3*7.5 inch, 30L capacity, 1.63 LBS. This lightweight backpack with stylish appearance, suitable for use as a travel backpack, college backpack, work backpack and carry on backpack. ?Move with Suitcase: The back luggage trolley strap of the backpack is easy to transport, which is also suitable for overhead bin and underseat. No additional check-in is required, so you can carry your valuables with you and travel easily and safely.