Our multifunctional CHELSEY backpack  is perfect for everyday use,  whether you’re backpacking through Europe or embarking on a weekend getaway, this style helps make your trip as efficient and enjoyable as possible.  This large travel backpack is well made of Water-Repellent and Durable Polyester Fabric with nylon zippers.  It can fit under the seat on the plane and can hold all your essentials, including a laptop.  One shoe compartment is crafted to the bottom of laptop backpack to keep the shoes separately and everything else clean.  It features an interior expandable Water Bottle pocket and has a separate laptop compartment that holds 15.6 laptop as well as 13 Inch, 14 Inch, 15 Inch Macbook.    When travel calls for the addition of a roller luggage, secure your backpack to the top of your luggage with the pass-thru sleeve. The modular system allows the interchangeable waist belt to be easily detached and swapped to suit your needs. 100% Polyester Trolley sleeve Expandable water bottle pocket Modular Detachable waist belt Adjustable shoulder straps Exterior measurements: 12” W  X  18” H  X 6” D Wipe clean with soft damp cloth & mild detergent, rinse well. Imported