Description: Expandable Travel Backpack: This backpack has an expandable capacity, ranging from 20L to 35L, providing all the space you need for a 3 to trip or daily commute. It allows you to carry everything you need with ease.Spacious Capacity and Compartments: This backpack is great for anyone who needs to stay organized. The main compartment is spacious enough to hold all your travel essentials, while the front pocket is designed for your smaller items, providing ample storage space for your phone and more. It also features a dedicated 17 inch laptop compartment with extra padding to ensure your computer stays during transit.Waterproof and Anti Backpack: Our men's travel backpack is made of high density waterproof material, with a dry wet separation bag in the main pocket to keep clothes dry and orderly. Additionally, the anti back pocket provides a convenient feature for storing items. This laptop backpack also includes a built in USB port and charging cable for charging.Practical Comfortable Design: This carry on backpack is made with zippers and reinforced stitching that ensures long lasting durability for all your travels. The back panel and shoulder straps are cushioned with breathable sponge mesh that reduces pressure and enhances ventilation for comfortable wear.Multipurpose Backpack: Our travel backpack perfectly combines convenience with multifunctionality; it features two padded handles allowing easy transition between a backpack or briefcase mode of carrying. Specification: Material: Polyester Size Chart: Width: 30cm/11.81inchHeight: 45cm/17.72inchThickness: 15cm-25cm/5.91inch-9.84inch Package Includes: 1Travel Backpack Note: Please allow slightly errors 1-2cm differences due to manual measurement.