Save space and travel worry-free with this 30-liter vacuum backpack: a smart, waterproof bag that compresses everything to carry-on size. Use the included vacuum pump to remove excess air from the main compartment, reducing the amount of clothes and gear you can carry by up to 50%. Ideal for city trips, business trips, or spontaneous weekend getaways. The vacuum compartment compresses clothes, allowing you to carry more in the same space, eliminating worries about extra checked baggage. The waterproof outer layer protects your belongings from rain, snow, and splashes on every journey. Meets carry-on size requirements (compatible with most airlines), saving you time and check-in fees. Comfortable ergonomic shoulder straps and a breathable back panel allow for long walks, whether at airports or city streets. An internal compartment for laptop/tablet (up to 15.6 inches) and easily accessible organizer pockets for passports, chargers, and business documents. Technical details and specifications: Capacity 20-35 liters (expandable or shrinkable via rolling and vacuum compression); Uncompressed dimensions: approx. 42×29×15 cm; Vacuum compressed: fits in a standard IATA carry-on bag. Made of 600D waterproof polyester fabric with TPU coating; YKK zippers; Weight 1.2 kg without the air pump. Includes: 30-liter black vacuum backpack, manual vacuum pump, and a quick start guide (in English). Make your travels more comfortable, lighter, and more organized. Click \"Order now\" to experience how a vacuum backpack can make your next trip easier and more economical!