Ample Storage SpaceThis travel backpack external dimensions: 9.8"x7 .8"x15.7"/25cm x 20cm x 40cm (L x W x H), the main compartment can hold 3~5 pieces of daily clothes, Its space can fully accommodate your short-term travel and short-term business trips.There are more than 3 internal zipper pockets for iPad, credit cards,and other valuables in the backpack, and a separate wet pocket for wet toiletries and wet clothes. The backpack also has a separate computer compartment for a 13.2" laptop. Multi-Pocket FunctionThis backpacks for travel has a special shoe compartment for shoes, which can hold sneakers (Hint: only one pair) and can accompany you out anywhere. This backpack for travel has 2 front pockets for iPad, cell phone, rechargeable keys and other small items; and 1 cup pockets for umbrella or cup. There is also a back anti-theft pocket which can effectively protect some valuable small items like credit cards from being stolen. Waterproof and DurableThis backpacks for is made of practical and high quality nylon fabric, which is very waterproof for light rain, and its fabric has good softness and durability to be used for a long time. Mostly Supported on AirplaneThe external dimensions of the tsa approved backpack basically meet the standard dimensions specified for boarding an airplane, for which you don't have to worry about the extra cost of delivering your luggage items over the specified dimensions for boarding an airplane and the time wasted by taking them to the check-in. In addition, the backpack has a luggage strap that can be attached to your suitcase to relax your shoulders. Multifunctional BackpackThis travel back pack is simple and beautiful, colorful and fashionable. Suitable for daily commuting, work, fitness, traveling, camping and so on. It can be used as a casual backpack, sports backpack, work backpack.