50 L Extra Large Capacity: 18 inch laptop backpack can be converted into carryon travel backpack suitable for 5 days traveling. Padded laptop compartment can fit 18 inch laptops computers. This travel laptop backpack with roomy space for all essentials such as travel clothes, business tech accessories, college school books. Ensuring the zipper is fully down with the puller at the bottom. This keeps your belongings safe from unexpected openings when you're walking

TSA Approved & Multipurpose: The extra large backpack measures 21.5 x 15 x 9.5 inch. It can be opened 180 degrees easily and lay-flat which is convenient for pass through airline security quickly without taking out 18 inch laptop or notebook. Suitable for hiking, air traveling, vacation, international trip

Anti Theft & Organization: Multiple pockets of this extra large laptop backpack offers plenty of room. Luggage strap allows a large mens computer backpack to be quickly attached to travel suitcase by sliding it over the upright handle, making it easier to carry. An theft proof pocket on the back of the backpack for women 50l could protect valuable items

Water Resistant & Multifunctional: Extra large backpack 18.4 inch is made of water resistant fabric. Multifunctional front compartment can help to organize keys, business work items and keep them safe. Serve you well as a professional travel laptop backpack or outdoor daypack

USB Charging Port: Laptop backpack for men 18 inch with external USB charger port and built-in charging cable which offers a convenient charging by connecting your electronic device anywhere and anytime. Great choice as Birthday gifts for adult men women