LOVEVOOK 30-40L backpack carry-on travel backpack for men and women, expandable business backpack, laptop backpack for 17.3 inches, anti-theft, blue.

["Expandable Aircraft Carry-On Backpack】: Size: 20 inches x 13.4 inches x 6.9 inches. Expandable size: 20 inches x 13.4 inches x 9.1 inches. Weight: 4.19 lbs. Meets the hand luggage size requirements of many airlines. Note: Please check with your airline for exact size restrictions and fees before traveling.","【180° Opening】: The main compartment of the travel backpack can be opened like a suitcase at 180°, allowing you to quickly pass through airport security. It is also convenient for organizing your items such as clothes, towels, books, folders, etc. The built-in elastic bands prevent clothes and items from getting lost and falling out, making your journey more comfortable.","【Large Capacity and Multiple Pockets】: The capacity of the large suitcase backpack is 30-40 liters. The bag has a total of 13 pockets: 2 front pockets for everyday items. The large compartments include wet/dry separate pockets and visible zippered mesh pockets. Hidden mesh pocket for water bottle/umbrella on the side. Separate padded computer compartment for up to 17-inch laptops. Anti-theft pocket on the back. Keep your luggage organized.","【3 Carrying Options and 3 Individual Pockets】: Use as a travel backpack, flight-approved backpack or tote bag. With 2 handles on top and side of the cabin bag handbag, it can be carried vertically or horizontally. Luggage straps on the back allow you to attach your carry-on luggage to your suitcase and free your hands and shoulders. 3 storage pockets: separate shoe bag, clothes bag with mesh, toiletry bag.","【Comfortable Backpack】: The business backpack is made of breathable mesh and comfortable shoulder straps, and the closures on both sides help you stabilize the center of gravity, reduce the burden on your shoulders, and make your journey very comfortable. Meet all the needs of business travelers, commuters, and outdoor enthusiasts. It is also the best companion for weekenders, travel, fitness.","【Premium Material】: Main Material: The work backpack made of high-quality polyester fabric is tear-resistant, dirt-resistant, abrasion-resistant, high-strength, and waterproof."]