Large Travel Backpack, 17 Inch Laptop Backpack 40L Carry-On Bag Water-Resistant Flight Approved W/Shoulder Strap+Anti-theft Lock for Casual Travel Outdoor, Black

High-density durable material -- This laptop backpack is made of waterproof Oxford cloth, which is long-lasting and durable. The lining is made of Oxford cloth material, which is wear-resistant and wrinkle-resistant. Thickened shoulder straps effectively reduce the burden on the shoulders, and the design is perfect and plush.Multi-Pocket Design -- This laptop backpack integrates a quick-access front pocket and an internal U-shaped compartment with dual compartments for easy and organized key/wallet storage. The main pocket can fit a 17-inch shockproof laptop compartment, and the side pockets can securely hold a 40-ounce glass and a folding umbrella with reinforced elastic bands.Different Way to Carry -- This backpack features a shoulder strap (which can be hidden) and a detachable shoulder strap, allowing you to seamlessly switch between backpack/crossbody. The backpack comes with 3 handles on the surface, suitable for various occasions from urban commuting to exploration (36~55L capacity). In addition, its reinforced stress points are designed for all-day conversion from the gym to the top of the mountain.Product Size -- the travel backpack size(LxWxH) is 12.6 x 7.9 x 21.6 inches/ 32 x 20 x 55 cm, Capacity is 36-55L, Weight is 3.3 LB. It is the best choice for short trips or international travel and the best gift for women and men. In addition, it also comes with a combination lock.Large Capacity -- The spacious main zipper pocket can hold travel accessories, clothes, etc, and the multi-functional pocket can hold small items such as cards, making your items neat and easy to find. Whether it's traveling, exercising outdoors, or hanging away with friends, it's a great choice for backpacks. Perfect for everyday use. first-class materials and excellent craftsmanship ensure long-lasting durability.