This backpack is equipped with main pockets and zippered expansion layers, the main compartment can hold 3-4 days of autumn clothing, and unfolding the expansion layer provides an additional 8cm of storage space, providing ample storage space for your travels. - Features:Equipped with wet and dry separation bags and independent shoe bags for easy storage of wet items and shoes. - Includes a hidden anti-theft zipper pocket on the back to protect your valuables. - Comes with a separate laptop compartment that can accommodate up to a 16-inch laptop. - Built-in charging port for convenient charging of your phone or other electronic devices anytime, anywhere. - Made of water-resistant nylon cloth fabric to protect items inside from moisture or rainwater. - Can be opened and folded 180 degrees for easy passage through airport security. - Comfortable and breathable back cushion design provides back support. - Adjustable shoulder straps and chest buckle to alleviate shoulder pressure. - Back straps for easy attachment to the handle of a suitcase. - Suitable for various activities, including college, commuting, business, and short-term travel. - Note: This backpack only provides conversion data line, you need to bring your own data line and power supply. - Specifications:Material: Nylon+Polyester - Color: Green - Product Size(LxWxH): 31 × 22 × 47 cm - Expandable Width: 8 cm - Package Contents:1 x Travel Backpack - Please note:Due to manual measurement, there might be a tolerance in the product size. - Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.