BANGE 35L Men's Expandable Laptop Backpack for 17.3Inch Laptop, Carry On Backpack Fits Under Seat Airline Approved, Personal Item Travel Bag for Men…

【22-35L Expand Backpack】: Before extended is 22L, dimensions are 17.5x11.8x5.5inch; after extended is 35L, dimensions are 17.5x11.8x9.5inch. You can expand the zipper and buckles according to your requirement. The two handles set on top and one side, which allow an easy switch between backpack and suitcase. So it can be carried vertically or horizontally. The luggage belt on the back allows being slide over the luggage tube,backpack very easy to carry, it is great for 3-5days daily travel.. 【Carry On Backpack】:The backpack with many compartments, organization and expansion.The main pocket can hold your travel goods,fit 5-8pcs clothes. It is cool that there is a wet pouch to liquids.Front compartment can also hold magazines,Ipad and power bank which can charge your phone. 17inch laptop compartment size: 15.3"" x 11.4"" (please cheak your laptop size),Backpack Back with padded batter can protect your laptop.. 【Business Travel Backpack with USB Charging】BANGE backpack travel ensure a secure long-lasting usage everyday or weekend, it is a great companion for business trip, hiking, travel, camping and other outdoor activities. It is convenient to charge your phone from outside due to there is a USB charging port, and you only need to place a power bank in the backpack.. 【Waterproof & Multipurpose Backpack】:Waterproof Oxford material, internal waterproof pouch to protect your goods from water. The shoulder and handle joints are adopted bold line sewing to make it sturdier. The two thick handles are comfortable for long time carrying. All the zippers are durable and smooth which are sturdy explosion-proof. Different compartments with different sizes and features make you to storage items easily and neatly.. 【Airline Approved Backpack】: Bange 35L travel backpack has the airline limited demension, and it can 180° opening, which can pass the check-in sercurity easily. With the luggage sleeve, it can be place on the luggage tighenly. It can also place on the flight storage bin and underseat on the airline. This item is not intended for use by children 12 and under.