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