【Large Capacity-Expandable】

• Before extended is 30L, dimensions are 20.5x12.99x6.7inch.
• After extended is 45L, the dimensions are 20.5x12.99x10.24inch. You can expand with the zipper. 
• There are two handles, one on the top and the other on the side. 
• The handles can switch the bag mode between a suitcase and a backpack. 

【For Travel-Multi Compartment】

• The travel backpack has a separate 2-layer roomy compartment and multiple functional pockets.
• The laptop compartment fits most 15.6/17/17.3inch laptops, and the smaller compartment can hold a tablet. 
• With built in USB charging port lets you charge your phone or other electronic devices anytime. 
• The clothes compartment can be opened 180 degrees, which fits 5-8pcs clothes, packing cubes, a shower bag, etc.
• It can hold travel essential items for a 4-7-day travel.

【Durable Material-Water Resistant & Anti-Theft Design】

• The carry-on backpack is made of high-quality, water-resistant, durable, and anti-scratch Oxford material.
• Foam adjustable shoulder straps for your comfort. 
• An internal waterproof pouch at the top of the front compartment can hold 2 T-shirts or towels that keep them away from water. There is a hidden zipper pocket on the back of the backpack which can hold important things such as phones, passport wallet etc, it's anti-theft and convenient.

【Application-Flight Approved & Carry on】 

• This carry-on backpack is airline approved, a business backpack fits overhead and under the seat when in standard size. 
• The 180-degree zipper closure lets you quickly pass the airport security check out. 
• It is great for flight travel, weekend travel, carry on, tourism, business trip, camping, hiking, everyday backpack, and laptop backpacks, etc.