Pro Travel Backpack with 3 Packing Cubes

Specifications Dimensions: 21*13*9 inches (normal size); 21*13*10.5 inches (expandable size); Weight: 3.39 pounds; Capacity: 52L; Fabric: Durable, water-resistant polyester and anti-scratch material; Fits up to 17 inch laptop; Features Expandable 40L-52L capacity TSA-friendly laptop compartment Separate ventilated shoe compartment Includes 3 packing cubes Removable waterproof toiletry bag Waist straps with storage Side insulated drink pocket Adjustable chest straps Air-mesh ventilated back panel Built-in USB charging port Hidden anti-theft back pocket Luggage strap for rolling suitcases Reflective safety stripes Headphone jack design Multi-angle sturdy handles Flight-approved carry-on size Lays flat for security checks