A manual option is also available to release air by hand. Save maximum space in your bag and maximize your packing capacity. The accessory kit enables quick luggage compression and flexible space organization – perfect for travel and everyday use. Integrated USB port design: Stay connected everywhere with the integrated USB port, which allows you to charge your devices at any time. Just connect a power bank and easily charge your phone at school, in the office, or on the go. Practical shoe compartment and side pockets: Designed for active travelers, this backpack features a spacious side compartment dedicated to sports or travel shoes. Side pockets provide extra space for a water bottle, an umbrella, or other daily necessities. Wet and dry separation: Ideal for travel: Separate compartments effectively separate clean and dirty, dry and wet clothes. A special lined pocket is available for wet clothes, towels, or toiletries. Compatible with most airlines: This travel backpack is designed to meet the size requirements of many airlines such as EasyJet, Ryanair, Wizz Air, Lufthansa, and more. However, we recommend checking the allowed dimensions with your airline before departure.